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GS Paper: GS3-15.Science and Technology- Developments and their Applications and Effects in Everyday Life.

  • In a first, alternative fuel vehicles outsell petrol cars in India

    In a first, alternative fuel vehicles outsell petrol cars in India

    Why in the News

    Alternative fuel vehicles outsold petrol cars in India’s passenger vehicle market for the first time in August 2026. Compressed natural gas (CNG), hybrid and electric vehicles together accounted for 41.95 percent of passenger vehicle retail sales against petrol’s 40.85 percent. The month also set a volume record across every segment, with 24,23,201 units retailed in all. The crossover was reported in the monthly retail registration data of the Federation of Automobile Dealers Associations (FADA). Petrol remains the largest single fuel in the market, so the crossover is three powertrains adding up rather than one substitute displacing petrol.

    What does the August 2026 retail data show across segments?

    1. A record month by volume: Total retail sales reached 24,23,201 units, a rise of 17.51 percent year on year. Two wheelers, passenger vehicles, commercial vehicles, tractors and three wheelers each set a fresh August record.
    2. Growth was uneven across segments: Wheeled construction equipment grew 31.45 percent, two wheelers 19.69 percent, passenger vehicles 16.14 percent and commercial vehicles 14.45 percent. Three wheelers grew 8.64 percent and tractor sales were effectively flat at 0.84 percent.
    3. Segment volumes set new marks: Two wheelers retailed 17,14,610 units, the best August since 2018. Passenger vehicles crossed the four lakh mark in an August for the first time at 4,02,398 units, and commercial vehicles came in at 90,769 units.
    4. The lighter commercial categories led: Light commercial vehicles grew 15.32 percent year on year, heavy commercial vehicles 13.98 percent and medium commercial vehicles 10.38 percent. Dealers attribute the demand to infrastructure execution, mining and logistics linked to e-commerce, alongside steady financing.
    5. Sales fell against the previous month: Retails were 6.48 percent lower than in July 2026. The seasonal monsoon lull and a festival calendar that shifted Ganesh Chaturthi and pushed Onam linked buying into September account for the fall.
    6. Dealer stock is building: Passenger vehicle inventory rose by a further five days over the end of July to about 38 to 40 days, against the 21 day benchmark the dealers’ body recommends. Higher stock than the previous month was reported by 56 percent of passenger vehicle dealers.

    Why does the change in fuel mix matter more than the volume record?

    1. The alternative fuel share is three distinct powertrains: CNG vehicles accounted for 25.28 percent of passenger vehicle sales, hybrids 9.04 percent and electric vehicles 7.63 percent. CNG alone is more than three times the electric share.
    2. No single alternative fuel has replaced petrol: Petrol is still the largest individual fuel in the segment. The threshold crossed is a share of the market held collectively, not a substitution of one fuel by another.
    3. Running cost is the stated driver: Dealers attribute the movement of petrol buyers towards CNG, hybrids and electric vehicles to running cost economics rather than to purchase price.
    4. Ethanol blending has become a demand factor: Continuing consumer hesitation around the E20 transition, the shift to petrol blended with 20 percent ethanol, is nudging buyers away from petrol. Part of the shift is avoidance of an uncertain fuel rather than preference for a new powertrain.

    How far has electrification moved beyond passenger cars?

    1. Electric two wheelers crossed a tenth of their market: Their share reached 10.68 percent against 7.66 percent a year earlier. It was the first time the 10 percent mark was crossed in a non festival month.
    2. Electric commercial vehicles hit a record share: Their share rose to an all time high of 5.18 percent from 2.06 percent a year earlier, with monthly volumes setting a fresh record.
    3. Three wheelers are already structurally electric: Electric penetration in the three wheeler segment stands at 65.30 percent. Electrification there has stopped being a transition and become the default.

    Challenges to the shift to alternative fuel vehicles

    1. Charging access lags electric vehicle sales: Public charging remains concentrated in large cities and on a few highway corridors, so buyers without private parking carry the highest switching cost. Eg. The PM Electric Drive Revolution in Innovative Vehicle Enhancement (PM E-DRIVE) scheme, notified in 2024, set aside about Rs 2,000 crore of its outlay specifically for public charging infrastructure.
    2. CNG supply is geographically uneven: The fuel is dense in a few city gas distribution areas and thin elsewhere, which caps how far its cost advantage can travel. Eg. Delhi and Gujarat hold a large share of India’s CNG stations while much of eastern India remains sparsely covered.
    3. Hybrid incentives vary by State: Hybrids sit outside most electric vehicle subsidy schemes, so their running cost advantage depends on where the vehicle is registered. Eg. Uttar Pradesh waived the registration tax on strong hybrid vehicles in 2024, a concession most States do not offer.
    4. Battery manufacture depends on imported inputs: Cell manufacturing and the lithium, cobalt and graphite feeding it are largely imported, so electric vehicle prices track external supply. Eg. The National Critical Mineral Mission, launched in 2025, was created to secure exactly these inputs.
    5. A share built on hesitation can reverse: Buyers moving away from petrol over blending concerns can move back once those concerns are answered. Eg. E20 petrol was rolled out across the country by 2025 amid disputes over fuel efficiency and engine compatibility in vehicles built for lower blends.

    Way Forward

    1. Expand public charging infrastructure: Tie charging point rollout targets to electricity distribution licence areas, so coverage follows the grid rather than following sales volumes.
    2. Ensure wider CNG availability: Make station rollout milestones an enforceable condition of every city gas distribution licence rather than a projected commitment.
    3. Create uniform hybrid incentives: Settle one national treatment of hybrids in the motor vehicle tax structure so the segment is not priced by State discretion.
    4. Strengthen domestic battery value chains: Link production linked incentive disbursal for cells to domestic value addition milestones rather than to assembly volumes.
    5. Build evidence based consumer confidence: Publish independent test results on efficiency loss and material compatibility by vehicle vintage, so the choice rests on evidence rather than uncertainty.

    Conclusion

    The fuel mix has moved ahead of the infrastructure that has to support it. The festival quarter is the next test, when discounting and volume peak together and dealer stock is either absorbed or deepens. The second marker is whether the alternative fuel share holds once the ethanol blending question is settled, because a share built partly on avoidance is not the same as a share built on preference.

    Back2Basics: Federation of Automobile Dealers Associations (FADA)

    1. What it is: FADA is the apex national body of automobile retail dealers in India, representing dealerships across vehicle segments.
    2. What its data measures: It compiles retail sales from vehicle registration records at regional transport offices. Its figures therefore track vehicles sold to customers, not vehicles dispatched from factories to dealerships.
    3. Why the distinction matters: Manufacturer dispatch numbers can rise while retail sales stall, with the difference sitting as unsold stock at dealerships. FADA’s monthly inventory reading is what exposes that gap.

    [2025] Consider the following types of vehicles:

    I. Full battery electric vehicles

    II. Hydrogen fuel cell vehicles

    III. Fuel cell electric hybrid vehicles

    How many of the above are considered as alternative (powertrain) vehicles?

    (a) Only one

    (b) Only two

    (c) All the three

    (d) None

  • Bhutan leads Southeast Asia region in eliminating rabies

    Bhutan leads Southeast Asia region in eliminating rabies

    Why in News?

    • WHO has validated Bhutan as the first country in the South-East Asia Region to eliminate dog-transmitted rabies as a public health problem. India aims to eliminate human deaths from dog-mediated rabies by 2030.

    What does WHO Validation Mean?

    • Not virus eradication: It means elimination of human deaths from dog-mediated rabies.
    • The virus may still exist in wildlife reservoirs.
    • 2 years: No human deaths from dog-mediated rabies for at least two consecutive years.
    • The country must demonstrate capacity to prevent re-emergence through surveillance and response.

    How did Bhutan achieve it?

    Two-pronged strategy

    • Mass vaccination of dogs to control infection at source.
    • Post-Exposure Prophylaxis (PEP) for exposed humans:
      • Wound washing with soap and water
      • Rabies vaccine
      • Rabies immunoglobulin where required

    One Health approach

    • Coordination between:
      • Ministry of Health
      • Ministry of Agriculture and Livestock
      • Local governments
      • Veterinary workers
      • Communities
    • De-suung volunteers, called “Guardians of Peace”, supported vaccination and awareness.

    Why is Rabies a Major Challenge for India?

    • ~59,000: Global rabies deaths annually.
    • ~1/3: Share of global deaths occurring in India.
    • ~96%: Rabies mortality and morbidity associated with dog bites.
    • Rabies is endemic across most of India.
    • Exceptions: Andaman & Nicobar Islands and Lakshadweep.
    • Once clinical symptoms appear, rabies is almost always fatal.

    What does India need for the 2030 Target?

    1. Dog vaccination

    • Achieve around 70% vaccination coverage.
    • Conduct annual mass vaccination campaigns.
    • Publish district-level vaccination coverage.

    2. Dog population management

    • Strengthen municipal sterilisation and vaccination programmes.
    • Link funding to verified vaccination coverage, rather than only sterilisation numbers.

    3. Better PEP access

    • Decentralise rabies immunoglobulin to lower-level health facilities.
    • Improve rural access to complete PEP.

    4. Strong surveillance

    • Make human and animal rabies nationally notifiable.
    • Improve case-based reporting and mortality estimation.

    5. One Health coordination

    • Integrate human health, animal health and environmental health.
    • Strengthen coordination among health, animal husbandry and wildlife agencies.

    One Health

    • Definition: An integrated approach linking human, animal and environmental health.
    • Rabies is a classic One Health disease because:
      • Reservoir: Mainly animals
      • Transmission: Animal to human
      • Outcome: Human disease and death
    • India has established the National One Health Mission for coordination on zoonotic diseases.

    Prelims Quick Revision

    • 59,000: Approximate global rabies deaths annually.
    • 1/3: Approximate share occurring in India.
    • 96%: Mortality and morbidity associated with dog bites.
    • 70%: Approximate dog vaccination coverage required to interrupt transmission.
    • 2 years: Disease-free period relevant to WHO validation.
    • 2030: Target for eliminating human deaths from dog-mediated rabies.
    • Rabies elimination ≠ rabies virus eradication

    [2014] Consider the following diseases:

    1. Diphtheria

    2. Chickenpox

    3. Smallpox

    Which of the above diseases has/have been eradicated in India?

    (a) 1 and 2 only

    (b) 3 only

    (c) 1, 2 and 3 only

    (d) None of the above

  • What is ‘One Nation, One Time’?

    Why in the News

    The Centre has notified the Legal Metrology (Indian Standard Time) Rules, 2026, making Indian Standard Time (IST) the single reference for legal, administrative, commercial and other official purposes across the country. The Rules follow a draft notified by the Department of Consumer Affairs in January 2025, and the work of a high-power inter-ministerial committee constituted to build a policy, regulatory and legislative framework for adopting IST under the Legal Metrology Act, 2009. IST already existed and was already maintained by the Council of Scientific and Industrial Research-National Physical Laboratory (CSIR-NPL). It was not mandatorily adopted, and many telecom and internet service providers continued to take their time from foreign satellite sources such as the Global Positioning System (GPS). The change is about legal compulsion, and about where critical infrastructure gets its time from, not about setting the clock.

    What do the Legal Metrology (Indian Standard Time) Rules, 2026 do?

    1. They make one time reference legally binding: IST becomes the single reference for legal, administrative, commercial and other official purposes across the country.
    2. They allow a transition period: The Rules come into force 180 days from the date of their publication in the Official Gazette, so departments, businesses and institutions can change their systems first.
    3. They name the permitted domestic sources: The Rules enable the use of the Navigation with Indian Constellation (NavIC), India’s own satellite navigation system, along with other approved Indian timing sources for time dissemination.

    Why does India need a legally fixed time reference?

    1. Digital systems record events by timestamp: Banking and digital payments, telecommunications, railways, power systems, computer networks and government records all depend on accurate time and time stamps.
    2. Divergent sources corrupt sequence: Differences between time sources affect the coordination and the recording of these activities, so two systems can disagree about the order in which events happened.
    3. The listed users are the critical ones: The common reference is meant to support time-stamping of banking and digital payment transactions, coordination among railways, airports and other transport systems, reliable functioning of telecommunication and internet networks, precise time-keeping in power systems, the upkeep of government and legal records, and coordination of emergency services.

    How is IST generated and distributed?

    1. The definition: IST is Coordinated Universal Time (UTC), the international reference time, with a plus five hours thirty minutes offset, and it is maintained by CSIR-NPL.
    2. The precision claimed: IST is generated using advanced atomic clocks and satellite links to ensure traceability to UTC with an uncertainty of less than 3 nanoseconds.
    3. How users receive it today: It is widely disseminated at millisecond accuracy through Network Time Protocol servers at CSIR-NPL.
    4. The satellite path: ISRO has been given traceability to IST at nanosecond accuracy through satellite links to NavIC.

    How did the push for a common time begin?

    1. The draft stage: The Department of Consumer Affairs notified draft Rules in January 2025 proposing to synchronise time across India, working with the National Physical Laboratory (NPL) and the Indian Space Research Organisation (ISRO) to disseminate IST with millisecond to microsecond accuracy from the five legal metrology laboratories.
    2. The gap it identified: The trademark for IST had been registered in 2024, and the time itself had not been legalised in India.
    3. The committee that framed it: A high-power inter-ministerial committee headed by the Secretary (Consumer Affairs) drew in NPL, ISRO, IIT Kanpur, the National Informatics Centre, the Indian Computer Emergency Response Team (CERT-In), the Securities and Exchange Board of India, and the railways and telecom departments.

    What is the security case for cutting reliance on foreign time sources?

    1. The stated national security ground: The government’s position is that synchronising all networks and systems to IST is essential for national security, for real-time applications and for the smooth operation of critical infrastructure.
    2. The demonstration already built: Under the One Nation, One Time initiative, a White Rabbit Technology-based IST Dissemination Demonstration Network was commissioned in July 2026 at the Regional Reference Standard Laboratory in Bengaluru, using a fibre-based method that distributes time at sub-nanosecond accuracy.
    3. The claim made for it: The network is described as upholding the sovereignty of the nation’s digital infrastructure by eliminating reliance on foreign time sources like GPS, and as giving critical sectors maximum protection against cyber-attacks and data manipulation.

    Challenges to a single legal time reference

    1. One clock across a wide longitudinal span: India stretches across roughly 30 degrees of longitude, so sunrise and sunset in the far east of the country run close to two hours ahead of the far west against the same clock. Eg. Assam has repeatedly pressed for a separate time an hour ahead, and its tea estates already run on such a working clock informally.
      The Fix: Stagger office and school hours administratively in the north-eastern States, which captures the daylight gain without splitting the legal time reference the Rules have just unified.
    2. Compliance across private networks is unaudited: Telecom and internet operators must re-point their time servers, and no published mechanism verifies that they have. Eg. Network equipment commonly synchronises to satellite-derived time by default in its firmware, without the operator making an active choice.
      The Fix: Require licensed operators to file an annual traceability certificate against CSIR-NPL time as a licence condition.
    3. Internet-delivered time is too coarse for the highest-precision users: Time delivered over the public internet is accurate to milliseconds, and grid protection and trade sequencing are specified in microseconds. Eg. Synchrophasor measurement in power systems and order sequencing on securities exchanges both need microsecond-level agreement between distant nodes.
      The Fix: Extend the fibre-based distribution path from the reference laboratories to grid control centres and exchange data centres before the Rules take effect.
    4. A domestic chain still needs local fallback: A node cut off from its time source drifts unless it holds an independent clock of its own. Eg. A ground segment error in the Global Positioning System in 2016 broadcast an offset of about 13 microseconds and disrupted telecom and broadcast equipment across several countries.
      The Fix: Mandate local holdover clocks at critical nodes, rated to hold accuracy for a defined outage duration.

    Conclusion

    Notifying a legal time reference is the easy half of the exercise. The harder half is re-pointing the equipment inside banks, exchanges, grid control centres and telecom networks that currently takes its time from a foreign satellite by default, and none of that follows automatically from a notification. The marker to watch is whether the Department of Consumer Affairs publishes a compliance and audit mechanism, naming who certifies traceability and at what interval, before the transition window closes.

    Back2Basics: Legal Metrology Act, 2009

    1. It is the law governing weights, measures and units of measurement in India, administered by the Department of Consumer Affairs.
    2. It replaced the Standards of Weights and Measures Act, 1976 and the Standards of Weights and Measures (Enforcement) Act, 1985.
    3. It establishes the International System of Units as the basis for standard units, and provides for verification and stamping of weights and measuring instruments.
    4. Enforcement rests largely with State legal metrology departments, with the Centre setting the standards and framing the Rules.

    Matching Previous Year Question

    “In which of the following areas can GPS technology be used ? 1. Mobile phone operations 2. Banking operations 3. Controlling the power grids Select the correct answer using the code given below : (a) 1 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3”

  • Will ‘talking’ cars reduce road accident deaths?

    Why in the News

    The Union Ministry of Road Transport and Highways will mandate Vehicle to Vehicle (V2V) communication, a system through which vehicles exchange movement data wirelessly and warn drivers of an approaching collision risk. The draft Central Motor Vehicles (Amendment) Rules, 2026 set out that mandate and invited public objections within 30 days of publication.

    How does Vehicle to Vehicle communication work?

    1. An on board unit does the exchanging: An On Board Unit (OBU) fitted in the vehicle sends data to and receives data from other vehicles wirelessly.
    2. The data exchanged is movement data: Vehicles continuously share real time speed, position, direction and acceleration.
    3. The carrier is cellular Vehicle-to-Everything technology: The system uses cellular Vehicle-to-Everything (C-V2X), a mobile network based standard for vehicle communication, in the 5.875 GHz to 5.925 GHz band.
    4. The alert reaches the driver before the hazard is visible: A vehicle braking suddenly triggers a slow down alert in nearby vehicles ahead of any driver seeing the brake lights.

    What do the draft Rules mandate, and by when?

    1. Compliance begins with voluntarily fitted vehicles: Two and three wheelers, cars, buses and goods vehicles manufactured on or after 1 October 2027 must meet Automotive Industry Standard 230 (AIS-230) if they carry a V2V system.
    2. Fitment becomes compulsory a year later: Vehicles manufactured on or after 1 October 2028 must be fitted with a V2V system meeting AIS-230 specifications.
    3. AIS-230 is the technical backbone: The standard lists the requirements a V2V system must satisfy and provides for phased introduction of other safety features.
    4. The spectrum was cleared first: The Centre exempted the 5.875 GHz to 5.925 GHz band from licensing requirements in June 2026, so original equipment manufacturers can use it in new vehicles.
    5. The cost sits on the new vehicle: On Board Units are expected to cost Rs 5,000 to Rs 7,000 and will be installed in new vehicles first.

    What can V2V do that camera based systems cannot?

    1. Existing systems are bounded by the line of sight: Camera based advanced driver assistance systems (ADAS), which use sensors to warn a driver or intervene in braking and steering, work only as far as the road is visible.
    2. V2V works around obstructions: It establishes contact with other vehicles at blind corners and behind large trucks.
    3. The warnings cover named hazards: Alerts flag sudden braking, black spots, unsafe lane changes, obstacles such as parked vehicles on roadsides, fog and potential collision risk.
    4. The detection range is about 300 metres: V2V systems typically identify vehicles within that distance.
    5. The two systems are complementary: V2V is expected to add forward collision prediction to what camera based systems already do.

    What does the limited deployment record show?

    1. Deployment abroad is narrow: V2V is working in a few countries, including the United States.
    2. Aviation already runs the same idea: Aircraft broadcast their position, speed and altitude, and nearby aircraft and ground stations receive that broadcast.
    3. The road sector is at an earlier stage: The broadcast approach is standard in global aviation and is still evolving on roads.

    Challenges to the Vehicle to Vehicle mandate

    1. The benefit depends on how many vehicles carry the unit: A network that warns only about equipped vehicles is worth little until a large share of the fleet carries the equipment. Eg. A mandate applying to vehicles manufactured from 2028 reaches none of the vehicles already registered, which stay on the road for well over a decade.
      The Fix: Fund retrofitment of On Board Units in commercial goods and public transport fleets first, since those vehicles cover the highest annual mileage.
    2. The allocated band may not carry the traffic load: It is unclear whether the frequency band set aside can support all vehicles broadcasting at once. Eg. A single congested urban intersection can hold several hundred vehicles inside the 300 metre broadcast range.
      The Fix: Fix a tested message capacity per square kilometre inside AIS-230 before the compulsory fitment date arrives.
    3. Continuous broadcasting creates a movement record: The system stores a large volume of data about vehicles, which exposes it to cyber attack and to surveillance use. Eg. FASTag toll crossings already generate a dated record of where a vehicle has been.
      The Fix: Mandate rotating pseudonymous vehicle identifiers and a fixed data retention limit in the final Rules.
    4. A wrong message can cause the crash it exists to prevent: Miscommunication between vehicles can trigger braking or a lane change that was never warranted. Eg. Automatic emergency braking systems have drawn regulatory investigation abroad over unprompted braking on highways.
      The Fix: Require cryptographic message authentication and a fail safe that suppresses alerts when integrity checks fail.
    5. The group most at risk is the hardest to equip: Two wheeler riders account for the largest share of road deaths in India, and the unit price is a significant fraction of an entry level motorcycle’s cost. Eg. Two wheelers account for roughly 44 per cent of road accident fatalities recorded in the Ministry’s annual Road Accidents in India report.
      The Fix: Subsidise On Board Units for two wheelers through the existing vehicle scrappage and safety incentive route rather than loading the cost onto the buyer.

    Conclusion

    V2V communication can make Indian roads significantly safer by enabling vehicles to detect hazards beyond line of sight and warn drivers earlier. With strong cybersecurity, privacy safeguards, affordable adoption, and wider fleet coverage, the mandate can become a major step toward smarter, safer and more connected mobility in India.

    Back2Basics: Central Motor Vehicles Rules, 1989

    1. Parent statute: They are framed under the Motor Vehicles Act, 1988, which governs registration, licensing, permits, insurance and road safety in India.
    2. What they cover: They set vehicle construction and maintenance standards, driving licence procedure, registration requirements and control of traffic.
    3. How they are changed: The Union Ministry of Road Transport and Highways notifies amendments, publishing a draft for public objections before final notification.
    4. Enforcement: Penalties for non-compliance flow from the Motor Vehicles Act, 1988, whose 2019 amendment sharply raised fines for traffic offences.

  • Indian Standard Time made the single legal time reference through new Legal Metrology rules

    Why in the News

    The Department of Consumer Affairs has notified the Legal Metrology (Indian Standard Time) Rules, 2026. The rules make Indian Standard Time (IST) the single legal time reference for use across sectors.

    Core facts

    1. Notifying body: The rules were notified by the Department of Consumer Affairs, under the Ministry of Consumer Affairs, Food and Public Distribution.
    2. Parent law: The rules are framed under the Legal Metrology Act, 2009. This Act governs weights, measures and standards of measurement in India.
    3. Mandate: The rules mandate use of IST for legal, administrative, commercial and official purposes. Use of any alternative time reference is barred unless expressly permitted.
    4. Synchronisation method: Government offices and public institutions must synchronise clocks using Network Time Protocol (NTP) and Precision Time Protocol (PTP). These are internet protocols that distribute a common reference time to connected devices.
    5. Source of time: IST is maintained by the CSIR National Physical Laboratory (NPL). It is set at Coordinated Universal Time (UTC) plus 5 hours 30 minutes.
    6. Exemptions: Scientific, astronomical and navigational uses are exempt with prior government approval.
    7. Enforcement: Compliance is checked through periodic audits. Penalties apply for violations.

    Static Context

    1. One Nation, One Time: The reform is the operational form of the One Nation, One Time idea. A draft version was first issued for public comment in early 2025.
    2. Legal Metrology institutions: The Legal Metrology wing sits under the Department of Consumer Affairs. It enforces uniform weights, measures and now uniform time.
    3. CSIR National Physical Laboratory: NPL is the national measurement standards laboratory. It keeps India’s atomic time scale and disseminates IST.
    4. Why uniform time matters: Power grid synchronisation, telecom, banking, digital governance and defence need one accurate time base. Many networks earlier drew time from foreign satellite sources such as the Global Positioning System (GPS).

    Prelims angle

    1. Custodian fact: IST is maintained by CSIR NPL, not by the India Meteorological Department or ISRO.
    2. Offset fact: IST equals UTC plus 5:30, based on the 82.5 degree East longitude reference.
    3. Legal base fact: The rules flow from the Legal Metrology Act, 2009, a consumer affairs law, not from a science ministry statute.
    4. Protocol fact: NTP and PTP are the mandated synchronisation protocols.

    Mains angle

    GS3 (Science and Technology in everyday life) and GS2 (government regulation and standardisation). A question can ask how a single national time standard strengthens critical infrastructure security and consumer fairness.

    Matching Previous Year Question

    “No direct PYQ traced in the provided files for legal metrology or Indian Standard Time. Closest tracked Microtheme is Certification/Promotional Bodies (Governance), covering national standards and certification bodies.”

  • The personalised vaccine that could cut skin cancer death risk

    The personalised vaccine that could cut skin cancer death risk

    Why in the News

    A new personalised cancer vaccine, intismeran, administered alongside the immunotherapy drug Keytruda, has been shown in Phase 3 results to reduce the risk of death from the recurrence and spread of skin cancer.

    How does intismeran work?

    1. Step one, read the tumour: The therapy begins by identifying the mutations, called neoantigens, in a sample of the patient’s own tumour.
    2. Step two, build the instruction set: A vaccine is then made of synthetically developed messenger RNA (mRNA), a single stranded molecule that carries genetic instructions from DNA in the cell nucleus and tells the cell which proteins to make. Each treatment consists of mRNA coding for 34 such neoantigens.
    3. Step three, administer and translate: Once administered, the body generates these proteins from the mRNA instructions.
    4. Step four, present to the immune system: The body then presents those proteins to the immune system, which is trained to recognise them as belonging to the cancer.

    Why must a cancer vaccine be personalised?

    1. Neoantigens exist only on cancer cells: Neoantigens are proteins found only on the cancerous cells, which the body’s immune system can be trained to recognise.
    2. They differ from patient to patient: These neoantigens vary from person to person, so they become an identifier for that individual’s cancer and cannot be mass produced as a single formulation.
    3. The principle is the same as any vaccine: A vaccine for an infectious disease contains the antigen from a pathogen, the proteins or lipids that train the immune system to recognise and fight it, and this therapy contains cancer neoantigens instead.
    4. The benefit is immunological memory: The cancer’s fingerprint enters the immune system’s memory, so if the cancer returns the body can recognise it immediately and mount a response, prolonging recurrence free survival.
    5. A decade of work behind one result: Work on this approach has run for around a decade, and this is the first clinical breakthrough.

    What did the Phase 3 study find?

    1. Death risk from recurrence fell: When the vaccine was given with Keytruda, the risk of death owing to recurrence of skin cancer went down by 49 per cent.
    2. Death risk from spread fell further: The risk of death owing to the cancer spreading went down by 59 per cent.
    3. The comparison arm matters: Both results are measured against treatment with Keytruda alone, not against no treatment.
    4. The comparison arm is already strong: Keytruda (pembrolizumab, a checkpoint inhibitor that blocks the PD-1 receptor cancer cells use to switch off the immune response against them) has over the years been shown to be much more effective in treating certain cancers than traditional chemotherapy, so the gain sits on top of an established benchmark.
    5. Side effects were mild: The most common side effects noted in the study were fatigue, injection site pain and chills.

    What does this mean for India?

    1. Reason one, the disease is rare here: Melanoma is one of the most common types of cancer in the caucasian population, and is not commonly seen among Indians.
    2. The share is a fraction of a per cent: Globocan, short for Global Cancer Observatory, an online platform that maintains cancer statistics, shows that melanoma accounts for only 0.26 per cent of all cancer cases in India and 0.17 per cent of deaths.
    3. Reason two, cost: Most patients in India are unable to afford Keytruda even with patient assistance programmes, and a combination therapy compounds a barrier that already exists for the immunotherapy alone.
    4. Access to immunotherapy is already narrow: A real world study from Tata Memorial Hospital showed that only 1.6 per cent of the patients who need such immunotherapy are able to access it.

    Challenges to personalised mRNA cancer vaccines

    1. Every dose is a separate manufacturing run: The vaccine must be sequenced, designed and produced per patient, so the process cannot be batched and the turnaround competes with tumour progression. Eg. Each treatment encodes 34 neoantigens specific to one person’s tumour. Fix. Build automated, closed-system manufacturing units co-located with cancer centres, on the model already used for cell therapy production.
    2. Cost scales with individualisation: A therapy that cannot be mass produced carries no volume discount, so the price gap over a standard drug widens rather than narrows with adoption. Eg. Even the standard companion immunotherapy reaches only 1.6 per cent of Indian patients who need it. Fix. Negotiate outcome linked pricing, where payment is tied to recurrence free survival achieved rather than to doses supplied.
    3. Cold chain requirements restrict reach: mRNA products require ultra-low temperature storage and transport, which most Indian district level oncology facilities do not have. Eg. Covid-19 mRNA vaccines were never widely deployed in India partly for this reason. Fix. Extend the cold chain built for the universal immunisation programme with ultra-low temperature capacity at regional cancer centres before such therapies are introduced.
    4. Tumours can escape the target: Cancer cells can lose the targeted antigen over time, which is the known failure mode of antigen directed immunotherapy. Eg. Relapse through antigen escape is documented in CAR-T cell therapy for blood cancers. Fix. Design vaccines against multiple conserved neoantigens and pair them with checkpoint inhibitors, so escape from one target does not end the response.
    5. Regulatory pathways assume a fixed product: Approval systems are built to assess an identical formulation across a trial population, while each dose here differs by design. Eg. India’s biotechnology approvals are already split across the Department of Biotechnology, the drug regulator and the environment ministry. Fix. Create a platform approval route that licenses the manufacturing process and the design algorithm rather than each individual product.
    6. The evidence is disease specific: The result is established for melanoma alone, and benefit in the cancers that dominate India’s burden is not demonstrated. Eg. Melanoma is 0.26 per cent of Indian cancer cases while breast, oral and cervical cancers account for the bulk. Fix. Prioritise Indian participation in trials of the same platform for oral, breast and cervical cancers, so approval evidence is generated on the local disease profile.

    Conclusion

    A personalised mRNA vaccine has for the first time produced a meaningful clinical benefit in cancer, cutting the risk of death from recurrence by 49 per cent and from spread by 59 per cent when added to an existing immunotherapy. The result validates the principle that a therapy can be built against each patient’s own tumour mutations rather than against a disease in general. For India the immediate impact is limited, because melanoma is rare here and the companion drug reaches under two per cent of the patients who need it. The question that remains open is whether the platform is extended to the cancers that actually dominate India’s disease burden.

    “[2022, GS3, 15 marks] What is the basic principle behind vaccine development? How do vaccines work? What approaches were adopted by the Indian vaccine manufacturers to produce COVID-19 vaccines?”

  • Conflict of Interest in the RDI Fund: When Proximity Is the Qualification

    Why in the News

    The Union Minister for Science and Technology has described the conflict of interest safeguards governing the Research, Development and Innovation Fund as fairly robust, and said more safeguards could be considered wherever feasible. The remarks follow a disclosure that most companies funded in the Fund’s first round had investment ties to members of the panel that selected them.

    What is the Research, Development and Innovation Fund and what does it finance?

    1. A public financing vehicle for frontier research: The Research, Development and Innovation (RDI) Fund was set up by the government last year to give low cost, long tenure loans to private companies doing cutting edge research.
    2. Priority areas named at launch: Eligible fields include quantum computing, robotics, space, biotechnology, clean energy and climate action.
    3. Corpus and horizon: The Fund is to carry a corpus of Rs 1 lakh crore built over six years.
    4. Instruments used: Money moves out as low interest loans, as equity, or as contributions to a fund of funds, not as a research grant.

    Why is the Fund built as a repayable capital instrument rather than a research grant?

    1. A revolving fund, not a one time outlay: The RDI Special Financial Rules provide for recycling of capital and its return to the Consolidated Fund of India. That makes it a revolving innovation fund rather than a spending line exhausted once disbursed.
    2. Co-financing ceiling: A selected company can draw a maximum of 50 percent of its project cost from the Fund. The remainder comes from the promoter and private investors, giving both a stake in the outcome.
    3. Risk reduced by portfolio and stage selection: Companies are chosen after their core technology risk has been overcome. The portfolio approach spreads residual risk across ventures rather than concentrating it in one bet.
    4. A shift in the state’s role: Public support moves away from the traditional grant model for research. The government now sets the strategic direction of technological progress and mobilises industry expertise and private capital alongside its own money.
    5. The bottleneck it targets: Government financing of high technology firms has been held back by cumbersome processes and by gaps in technical knowledge inside the bureaucracy.

    What conflict of interest architecture did the Fund already carry?

    1. Committee composition is mandated, not incidental: The scheme requires the Expert Advisory Committee to be composed of eminent industry leaders drawn from industry, investment or technology research and development sectors.
    2. Mandatory recusal: A committee member holding a stake in an applicant must declare that interest and step out of the evaluation of that applicant.
    3. Supermajority voting: The choice of an investee company requires a supermajority of the committee rather than a simple majority.
    4. Recommendation separated from decision: The Investment Committee is a recommending body only. Final accountability for a funding decision rests with the Technology Development Board.
    5. Guidelines framed in anticipation: These pre-investment rules were written in the expectation that connections between industry experts and applicants would be unavoidable.

    What did the first round of disbursement expose about that architecture?

    1. First round approvals: Loans worth Rs 2,192 crore were approved for 22 companies in the first round of funding.
    2. Extent of the overlap: Fifteen of those 22 companies had investment ties to seven members of the selection panel.
    3. The stated procedure was followed: The members concerned declared their interest and recused themselves in each such case, as the guidelines require.
    4. A different pattern in the second round: Only one of the 13 companies selected in the second round has any link to a member of the selection committee. That selection has been finalised and has not been disclosed.
    5. The question the overlap raised: A safeguard that operated correctly in every individual case still left most of the first round money going to companies connected to the panel.

    Is proximity between evaluators and investees a defect or a necessary input?

    1. Proximity as an information input: Not all proximity is conflicting where it improves the quality of the decision. Deep technology investment needs judgement that combines technological maturity with commercial viability.
    2. Who else could supply that judgement: Neither government officials nor academic and scientific evaluators alone can assess whether a frontier technology is ready to be sold.
    3. The connections are the qualification: The members are industry veterans who built and engaged deeply with India’s technology ecosystem. Their investee links are the same links that let them bridge the information gap in screening.
    4. The linkage data read the other way: At least 10 of the 15 startups publicly named have institutional or founder linkages to publicly funded premier technology institutions such as the Indian Institutes of Technology (IITs). Most had already raised external funding, which signals an independent assessment of their technical merit.
    5. The wrong yardstick: The Fund is a public capital deployment mechanism, not a public expenditure scheme. Judging it by the procedural propriety standards written for conventional bureaucratic spending misreads what it is, and outcomes plus the effectiveness of its governance architecture are the better test.
    6. The cost of over correction: Parliamentary and media scrutiny is essential for political accountability. Scrutiny that stifles the scheme damages an instrument on which India’s growth prospects rest.

    Why does India’s scale-up gap make the Fund’s design consequential?

    1. A decade of Startup India: Startup registrations have burgeoned since the programme began, and the entrepreneurial ecosystem has come a long way with them.
    2. The gap that remains: India has not produced many high impact global scale-ups, particularly in technology intensive sectors.
    3. What the Fund is aimed at: The RDI Fund is targeted at closing that gap in frontier sectors, not at early stage startup formation.
    4. Public money as a catalyst: Sectoral commitments by the government pull private investment into technology areas where mission mode initiatives already exist.
    5. The strategic stake: Capability in frontier technology bears directly on technological sovereignty and strategic autonomy.

    What is the government now changing in the Fund’s framework?

    1. The stated position on safeguards: The existing safeguards against conflict of interest in disbursement are held to be fairly robust, with more safeguards to be considered wherever feasible.
    2. A full procedural review: Every procedural safeguard in use against a conflict of interest situation was reviewed at the monthly meeting of secretaries of scientific departments.
    3. Due diligence held as non negotiable: Due diligence and verification processes must remain uncompromised, and suggestions from stakeholders are invited.
    4. Wider sectoral eligibility: Companies from many more sectors have been made eligible for loans, following a recommendation by an expert committee.
    5. Ministries asked to nominate areas: Inter-ministerial consultations have taken place, and every ministry has been asked to suggest areas of national importance where private research could be supported.
    6. Learning carried into later rounds: The experience of the first round is expected to make subsequent rounds function more smoothly and more efficiently.
    7. The balance the government names: Private sector participation inside a public funding framework is treated as a new experience that requires a balance between speed, responsibility and stakeholder confidence.

    Challenges to the Research, Development and Innovation Fund

    1. Concentration of capital in already backed firms: Selecting ventures whose technology risk is retired favours firms with prior institutional and investor backing over first time deep technology founders. e.g. under the Production Linked Incentive scheme for large scale electronics manufacturing, most approved incentive has flowed to a small group of mobile phone assemblers.
    2. Repayment mismatch in long gestation science: Loan repayment schedules sit poorly with fields where commercial revenue arrives a decade or more after the first working prototype. e.g. quantum computing, a stated priority area, has no volume hardware market anywhere in the world.
    3. No statutory conflict of interest code for non official members: The safeguards rest on scheme guidelines rather than on a binding statute, so a lapse carries no legal consequence. e.g. the 2024 controversy over the Securities and Exchange Board of India chairperson’s disclosed holdings ended in fresh internal disclosure norms and no statutory remedy.
    4. Thin domestic risk capital for follow on rounds: A public loan cannot substitute for the later stage private rounds a hardware venture needs to reach scale. e.g. Indian fabless semiconductor design ventures raise most of their growth capital from overseas funds.
    5. Eligibility drift diluting the frontier focus: Widening the eligible sector list risks turning a frontier technology instrument into a general industrial credit line. e.g. startup recognition under the Department for Promotion of Industry and Internal Trade expanded to cover trading and service ventures far removed from technology development.
    6. Propriety scrutiny slowing deployment: A financing vehicle under continuous propriety examination becomes defensive and slow, defeating the speed it was built for. e.g. the National Investment and Infrastructure Fund, announced in 2015, took several years to move from announcement to meaningful deployment.

    Conclusion

    The RDI Fund was designed to bring investor judgement into a public financing decision. The conflict of interest it now faces is the direct cost of that design choice. Recusal and voting thresholds manage the appearance of the problem without removing the overlap between those competent to evaluate deep technology and those already invested in it. What remains unsettled is whether a capital deployment vehicle will be judged on the technologies and returns it produces or on the procedural standards written for ordinary government spending.

    Matching Previous Year Question

    [2018, GS4, 10 marks] What is meant by conflict of interest? Illustrate with examples, the difference between the actual and potential conflicts of interest.

    [2014, GS3, 12.5 marks] Scientific research in Indian universities is declining, because a career in science is not as attractive as our business operations, engineering or administration, and the universities are becoming consume

  • Navy to lease two new MQ-9B Sea Guardian unmanned aircraft from US firm

    Why in the News

    The Ministry of Defence (MoD) signed a ₹1,943 crore contract with General Atomics Aeronautical Systems Inc. (GA-ASI) to lease two MQ-9B Sea Guardian aircraft to the Indian Navy for 30 months. This will increase the Navy’s leased HALE RPAS fleet from 2 to 4, enabling simultaneous surveillance of India’s eastern and western seaboards.

    What is MQ-9B Sea Guardian?

    • HALE: High Altitude Long Endurance
    • RPAS: Remotely Piloted Aircraft System
    • Maritime variant of the MQ-9B family.
    • Provides persistent ISR (Intelligence, Surveillance and Reconnaissance) over large maritime areas.
    • Equipped with advanced sensors and surveillance payloads.
    • Can also undertake precision strikes.
    • Strengthens MDA (Maritime Domain Awareness) in the Indian Ocean Region.

    Key Concepts

    Maritime Domain Awareness (MDA)

    • Understanding activities in the maritime environment affecting security, safety, economy and marine environment.
    • It integrates: Radar, Satellites, Coastal surveillance, AIS (Automatic Identification System), and Airborne sensors

    HALE RPAS

    • An unmanned aircraft operated remotely from a ground control station.
      • High altitude: Wider sensor coverage.
      • Long endurance: Prolonged surveillance with fewer interruptions.

    Why is India Leasing MQ-9Bs?

    • Bridges the surveillance gap until the 31 purchased MQ-9Bs are delivered.
    • Provides immediate long endurance maritime surveillance.
    • Allows crews and maintainers to gain experience with a configuration similar to the future fleet.
    • Builds on the Navy’s existing experience with leased MQ-9As since 2020.

    How Does It Strengthen the Navy?

    • HALE systems increase from 2 to 4.
    • Enables simultaneous surveillance of eastern and western maritime regions.
    • Improves persistent monitoring of the Indian Ocean Region (IOR).
    • Strengthens early detection and response to maritime threats.

    2024 India-US MQ-9B Agreement

    • 31 MQ-9B systems for India’s armed forces.
    • Approximate value: $3.5 billion.
    • Includes a Global MRO (Maintenance, Repair and Overhaul) facility in India.
    • Provides for some assembly in India.
    • Includes indigenous sourcing of components.
    • Supports defence indigenisation and domestic manufacturing.

    [2025] With reference to Unmanned Aerial Vehicles (UAVs), consider the following statements:
    I. All types of UAVs can do vertical landing.
    II. All types of UAVs can do automated hovering.
    III. All types of UAVs can use battery only as a source of power supply.
    Which of the statements given above are correct?
    (a) Only one
    (b) Only two
    (c) All the three
    (d) None

  • Can a 100-Year-Old Vaccine Train the Brain’s Immune System?

    Why in the News

    A study gave two doses of the Bacillus Calmette Guerin vaccine a month apart to 23 older adults and tracked blood and cerebrospinal fluid for a year, finding monocytes switching on genes for a faster immune response. This is evidence of trained immunity operating within the central nervous system. The tension is between a cheap, decades old vaccine with a large safety record and a study too small to establish clinical benefit.

    Note: Bacillus Calmette-Guérin (BCG) vaccine is more than 100 years old. It was first given to a human on July 18, 1921. Two French scientists, Albert Calmette and Camille Guérin, made the vaccine to stop tuberculosis (TB).

    What is trained immunity?

    1. About: Trained immunity is the capacity of innate immune cells to mount a stronger response to a later, unrelated challenge after an initial exposure, through lasting changes in gene expression.
    2. How it differs from adaptive immunity: Adaptive immunity is pathogen specific and mediated by lymphocytes. Trained immunity is non specific and mediated by innate cells such as monocytes.
    3. Mechanism: The change operates through epigenetic and metabolic reprogramming rather than through antibody memory.
    4. Why BCG: BCG is the best documented inducer of trained immunity, which is why it is used to test the effect.

    What did the study actually find?

    1. Sample and design: 23 older adults were enrolled, roughly half with cerebrospinal fluid biomarkers of Alzheimer’s disease, given two BCG doses a month apart.
    2. Immune change: Monocytes switched on genes associated with a faster immune response.
    3. Functional test: Monocytes responded more strongly to lipopolysaccharide, a standard bacterial stimulus, confirming a functional and not merely transcriptional change.
    4. Amyloid movement: Amyloid fell in cerebrospinal fluid and rose in blood among participants without established Alzheimer’s, and not among those with it.
    5. Location of the effect: The change was detected in the central nervous system compartment, which is the finding’s principal claim.

    What are the study’s stated limits?

    1. Sample size: 23 participants is too small to detect a clinical effect.
    2. No control arm: The study had no placebo group, so observed changes cannot be separated from natural variation.
    3. No cognitive change: Cognitive scores were unchanged over the year.
    4. Directional ambiguity: Amyloid shifting from cerebrospinal fluid to blood is consistent with clearance and is not proof of clearance.

    Why does a cheap vaccine matter for this disease?

    1. Cost comparison: BCG is inexpensive and carries decades of safety data, against anti amyloid drugs that are expensive and require infusion infrastructure.
    2. Existing supply: BCG is already manufactured at scale for tuberculosis immunisation.
    3. Repurposing precedent: A five year BCG cohort in type 1 diabetes established the model of testing the vaccine for a non tuberculosis indication.
    4. Underlying hypothesis: Chronic low grade inflammation with ageing, described as inflammaging, is implicated in neurodegeneration, and trained immunity is one route to modulating it.

    Challenges in translating this finding

    1. Blood brain barrier access: Demonstrating that a peripheral vaccine changes central nervous system immunity requires invasive sampling. e.g. the cerebrospinal fluid collection this study depended on.
    2. Amyloid hypothesis contestation: Amyloid reduction has not reliably produced cognitive benefit. e.g. the modest clinical effect sizes reported for approved anti amyloid antibodies.
    3. Trial duration: Neurodegeneration progresses over years, so trials must run long. e.g. the five year design of the BCG type 1 diabetes cohort.
    4. Vaccine supply competition: Diverting BCG to a new indication competes with tuberculosis immunisation demand. e.g. periodic global BCG supply shortages affecting national immunisation programmes.
    5. Strain variability: BCG substrains differ in immunological potency, complicating replication. e.g. the differing efficacy estimates across BCG trials attributed to substrain variation.
    6. Diagnostic access: Identifying preclinical Alzheimer’s requires biomarker testing unavailable at scale in India. e.g. limited availability of cerebrospinal fluid and amyloid imaging assays outside tertiary centres.

    Conclusion

    The study’s contribution is the demonstration that trained immunity can be detected within the central nervous system, which extends a peripheral immunology concept into neurology. It establishes a mechanism, not a treatment, since 23 participants without a control arm and with unchanged cognition cannot support a clinical claim. The next milestone is a randomised controlled trial with a placebo arm and cognitive endpoints over a multi year horizon.

    Back2Basics: Bacillus Calmette Guerin vaccine

    1. A live attenuated vaccine derived from Mycobacterium bovis, first administered in humans in 1921.
    2. Used primarily against severe childhood forms of tuberculosis, including tuberculous meningitis and miliary tuberculosis.
    3. Included in India’s Universal Immunisation Programme, given at birth or as early as possible thereafter.
    4. Provides limited protection against pulmonary tuberculosis in adults, which is why a new tuberculosis vaccine remains a research priority.
    5. Also used as an intravesical immunotherapy for non muscle invasive bladder cancer.
    6. Manufactured in India at the BCG Vaccine Laboratory, Chennai, among other facilities.

    Government Initiatives

    1. National Tuberculosis Elimination Programme: Targets tuberculosis elimination, covering diagnosis, treatment and nutritional support for patients.
    2. Ni-kshay Poshan Yojana: Provides direct benefit transfer for nutritional support to tuberculosis patients on treatment.
    3. Universal Immunisation Programme: Provides BCG and other vaccines free of cost, targeting infants and pregnant women.
    4. National Programme for Health Care of the Elderly: Provides dedicated geriatric health services including cognitive and mental health care.
    5. Indian Council of Medical Research clinical trial network: Supports multicentre trials, including for tuberculosis vaccine candidates.

    Way Forward

    1. Run a controlled trial: Replicate the finding with a placebo arm and a sample large enough to detect a cognitive effect.
    2. Standardise the substrain: Fix the BCG substrain across trial sites so results are comparable.
    3. Protect immunisation supply: Ensure any repurposing trial does not draw on doses allocated to childhood tuberculosis immunisation.
    4. Expand biomarker capacity: Build cerebrospinal fluid and blood biomarker testing capacity so preclinical cases can be identified for trial enrolment.
    5. Fund domestic replication: Support an Indian cohort, since India carries both the largest BCG immunised population and a rapidly ageing one.

    “[2022, GS3, 15 marks] What is the basic principle behind vaccine development? How do vaccines work? What approaches were adopted by the Indian vaccine manufacturers to produce COVID-19 vaccines?”

  • The missing ‘reuse’ principle in India’s EV transition journey

    Why in the News?

    India’s electric mobility transition is gathering momentum as adoption rises and circular economy principles enter industrial policy. India’s policy has advanced the recycling tier of circularity through scrappage but neglected the higher priority reuse tier, exposing a gap where structurally sound vehicles are scrapped rather than retrofitted.

    What is the circular economy hierarchy?

    1. Definition: The circular economy is built on a hierarchy that prioritises reducing resource consumption, then reusing existing assets, and only recycling materials once products have genuinely reached the end of their useful life.
    2. Reuse versus recycle: Recycling recovers materials after a product becomes waste, while reuse preserves functionality before the asset becomes waste. Reuse sits higher in the hierarchy.

    What is vehicle retrofitment?

    1. What it is: Retrofitment replaces the internal combustion engine, fuel system, and related components of an existing vehicle with an electric powertrain, while retaining the core vehicle structure.
    2. Why it counts as reuse: By keeping a structurally sound chassis and body in service, it preserves and extends the value already embedded in the asset rather than recovering value only after the vehicle becomes waste.

    How far has India progressed on recycling?

    1. Rules framework: The Motor Vehicles (Registration and Functions of Vehicle Scrapping Facility) Rules, 2021, and the Environment Protection (End of Life Vehicles) Rules, 2025, strengthened responsible vehicle recycling and material recovery.
    2. Facilities on ground: As of January 2026, 129 Registered Vehicle Scrapping Facilities were operational across 21 States and Union Territories.
    3. Vehicles processed: About 4.3 lakh vehicles had been processed through these facilities, building a formal ecosystem for recycling and resource recovery.

    Why does retrofitment matter?

    1. Per vehicle waste: A single two wheeler generates approximately 90 kilograms of recyclable material and 18 kilograms of landfill waste when scrapped.
    2. Fleet scale burden: Scaled across India’s fleet of about 30 crore vehicles, a scrap first approach would generate 2.7 crore tonnes of recyclable material and 0.54 crore tonnes of landfill waste.
    3. SDG alignment: Retrofitment supports United Nations Sustainable Development Goal 12 on responsible consumption and production by reducing material demand and waste.
    4. Old but sound: A vehicle can be old yet retain a strong chassis, intact body, and years of service life, making retrofitting more circular than scrapping.

    What is the three pathway vehicle hierarchy?

    1. First pathway, continued use: Vehicles that remain safe, compliant, and efficient should keep operating with routine maintenance, since age alone should not trigger removal.
    2. Second pathway, retrofitment: Vehicles with sound structure but ageing or polluting powertrains can be converted to electric through certified processes, extending life while cutting emissions.
    3. Third pathway, scrappage: Vehicles with compromised safety, severe structural degradation, accident damage, or significant corrosion proceed to scrappage and recycling.

    The missing middle path

    1. Not a competition: Retrofitment is not a competing strategy to scrappage but the missing middle path that policy has not focused on yet.
    2. Condition over age: Treating every ageing vehicle as a disposal candidate overlooks the chance to extend asset life while accelerating electrification.
    3. Public acceptance: A condition assessed transition would make scrappage more acceptable, as citizens would see that older vehicles are assessed for transformation rather than dismissed indiscriminately.

    What are the challenges to a reuse led EV transition?

    1. Certification gap: Retrofitment needs robust certified conversion technology and testing standards to ensure safety.
    2. Cost and financing: Conversion costs can rival buying a new two wheeler, limiting uptake without incentives.
    3. Battery supply dependence: Electric powertrains depend on imported cells and critical minerals, a supply chain vulnerability.
    4. Policy bias toward scrappage: Existing incentives favour scrappage and new vehicle purchase, leaving reuse unsupported.
    5. Skilled workforce shortage: A trained network of certified retrofit workshops is largely absent at scale.
    6. End of life battery waste: Retrofitted vehicles eventually generate battery waste requiring recycling infrastructure.

    Conclusion

    India’s transport transition is a question of resource efficiency, not a contest between new electric vehicles and older ones. Adopting an age assessed pathway that distinguishes continued use, retrofitment, and scrappage would align the transition with genuine circular economy principles. This would prevent waste before it is created and confine recycling to vehicles that have truly reached the end of their useful life.

    What is Circular Economy? (Foundational Context)

    1. About: A circular economy keeps materials and products in use for as long as possible, extracting maximum value before recovery and regeneration, in contrast to the linear take, make, dispose model.
    2. Rationale: It exists to cut resource extraction, greenhouse gas emissions, and waste while sustaining economic value.
    3. Named hierarchy: It rests on reduce, reuse, and recycle in that order of priority, with reduce and reuse ranked above recycling.

    Key Concerns Regarding the Circular Economy

    1. Recycling bias: Policy attention concentrates on recycling while the higher value reduce and reuse tiers are neglected.
    2. Informal sector dominance: Much recycling occurs in the informal sector with poor environmental and safety standards.
    3. Extended producer responsibility gaps: Enforcement of producer take back obligations remains weak.
    4. Data deficits: Weak material flow data limits measurement of circularity outcomes.

    Back2Basics: Sustainable Development Goal 12

    1. What it is: SDG 12 is the goal on responsible consumption and production within the 2030 Agenda for Sustainable Development.
    2. Adopted: It was adopted by United Nations member states in 2015.
    3. Focus: It targets sustainable consumption patterns, resource efficiency, and reduced waste generation.
    4. Relevance: Vehicle retrofitment directly advances its call for better resource efficiency and reduced waste.

    Government Initiatives for EVs and Circularity

    1. PM E-DRIVE Scheme: Provides demand incentives for electric two and three wheelers and other electric vehicles.
    2. FAME India Scheme: Faster Adoption and Manufacturing of Electric Vehicles, supporting demand and charging infrastructure.
    3. Vehicle Scrappage Policy: Encourages phasing out of unfit and polluting vehicles through registered scrapping facilities.
    4. Battery Waste Management Rules, 2022: Mandate extended producer responsibility for battery recycling.
    5. PLI schemes: Production Linked Incentives for advanced chemistry cell batteries and automobiles.

    Way Forward

    1. National vehicle hierarchy: Adopt a framework treating vehicles by condition rather than age alone.
    2. Certified retrofit ecosystem: Standardise conversion technology and expand certified workshops.
    3. Incentivise reuse: Extend fiscal support to retrofitment on par with scrappage and new purchase.
    4. Strengthen battery circularity: Build reverse logistics and recycling for end of life batteries.
    5. Skilling: Train technicians for certified electric powertrain conversion.

    “[2025] Consider the following statements:

    Statement I: Circular economy reduces the emissions of greenhouse gases.

    Statement II: Circular economy reduces the use of raw materials as inputs. Statement III: Circular economy reduces wastage in the production process.

    Which one of the following is correct in respect of the above statements?

    (a) Both Statement II and Statement III are correct and both of them explain Statement I

    (b) Both Statement I and Statement II are correct and Statement I explains Statement II

    (c) Only one of the Statements II and III is correct and that explains Statement I

    (d) Neither Statement II nor Statement III is correct

    Question (2023, GS3): “The adoption of electric vehicles is rapidly growing worldwide. How do electric vehicles contribute to reducing carbon emissions and what are the key benefits they offer compared to traditional combustion engine vehicles?