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Type: Prelims Only

  • How ‘ghost particles’ can point the way to spent nuclear fuel

    Why in the News

    Scientists have achieved the first high precision measurement of the neutrino signature from spent nuclear fuel, enabling remote monitoring of nuclear material and strengthening global nuclear non proliferation efforts.

    What is a neutrino?

    • Ghost particle: A neutrino is a nearly massless, electrically neutral subatomic particle that interacts only through the weak nuclear force and gravity.
    • Produced in nuclear reactions: They are emitted in large numbers during nuclear fission, radioactive decay, and reactions inside stars.
    • Highly penetrating: Since neutrinos rarely interact with matter, they can pass through the Earth almost unaffected, making them extremely difficult to detect.

    What did the study achieve?

    • First precise measurement: Researchers in France made the first high precision measurement of the neutrino emissions from spent nuclear fuel.
    • Remote monitoring: The neutrino signal can be measured without physically opening or handling the spent fuel.
    • Scientific validation: The findings were published in a leading peer reviewed physics journal.

    Why is this important for nuclear non proliferation?

    • Supports IAEA safeguards: Enables the International Atomic Energy Agency (IAEA) to verify spent nuclear fuel remotely.
    • Detects diversion: Changes in the neutrino signal can indicate diversion of plutonium or other fissile material for weapons.
    • Strengthens nuclear safeguards: Provides a non intrusive and tamper resistant method to improve verification of nuclear material.
    • Enhances transparency: Builds confidence in peaceful civilian nuclear programmes.

    Prelims Pointers

    • The International Atomic Energy Agency (IAEA) is the UN agency responsible for promoting peaceful uses of nuclear energy and implementing nuclear safeguards.
    • Neutrinos are electrically neutral, nearly massless particles that interact via the weak nuclear force.
    • Nuclear reactors and spent nuclear fuel continuously emit neutrinos.
    • Spent nuclear fuel contains plutonium that can potentially be separated for nuclear weapons, making its monitoring important.

    “[2020] In India, why are some nuclear reactors kept ‘IAEA Safeguards’ while others are not?
    (a) Some use uranium and others use thorium
    (b) Some use imported uranium and others use domestic supplies
    (c) Some are operated by foreign enterprises and others are operated by domestic
    (d) Some are State-owned and others are privately-owned

  • The road ahead for the Asiatic lion as its range spreads

    Why in the News

    The Asiatic lion population has recovered strongly but is increasingly living outside protected areas. The tension is between a conservation success in numbers and the rising conflict and risk that dispersal brings.

    What is the Asiatic lion?

    1. Endemic species: The Asiatic lion (Panthera leo persica) survives only in and around the Gir landscape of Gujarat.
    2. Status change: The International Union for Conservation of Nature (IUCN) moved it from Critically Endangered to Endangered.
    3. Single population: The entire wild population is concentrated in one region, making it vulnerable to a single event.

    How has the population and range changed?

    1. Recovery: Numbers grew from about 100 to 150 six decades ago to over 1,000 today.
    2. Dispersal: Nearly half the lions now live outside protected areas.
    3. Satellite groups: For the first time, data shows that more than half—497 lions—now live outside the core Gir protected areas in nine distinct satellite populations spread across 11 districts, spanning a territory of 35,000 square kilometers.

    Why does the spread create new risks?

    1. Habitat threat: A proposed limestone mine in the Babarkot corridor threatens a dispersal route.
    2. Disease risk: Past outbreaks of Canine Distemper Virus and babesiosis killed many lions.
    3. Green Status: The species remains assessed as “largely depleted” despite the numeric recovery.

    Back2Basics: Asiatic Lion (Gir)

    1. IUCN status: Endangered.
    2. Legal protection: Listed in Schedule I of the Wild Life (Protection) Act, 1972.
    3. Habitat: Gir National Park and Wildlife Sanctuary and surrounding landscape in Gujarat.
    4. Significance: Gir is the only natural home of the wild Asiatic lion.

    “[2024] Consider the following statements:
    1. Lions do not have a particular breeding season.
    2. Unlike most other big cats, cheetahs do not roar.
    3. Unlike male lions, male leopards do not proclaim their territory by scent marking.
    Which of the statements given above are correct?
    (a) 1 and 2 only
    (b) 2 and 3 only
    (c) 1 and 3 only
    (d) 1, 2 and 3

  • Special Intensive Revision of electoral rolls sees mass deletions

    Why in the News

    A large intensive revision of electoral rolls has removed millions of names across States, with objection windows now open. The tension is between cleaning the rolls of ineligible entries and the risk of wrongful deletion of genuine voters.

    What is the Special Intensive Revision (SIR)?

    1. Roll revision: The Special Intensive Revision (SIR) is a house to house re verification of electoral rolls by the Election Commission of India.
    2. ASDD categories: Names are marked under absent, shifted, duplicate, and dead (ASDD) categories for deletion.
    3. Claims window: Deletions are provisional until the claims and objections period closes.

    What is the scale of deletion?

    1. Jharkhand: About 43.6 lakh names, or 16.5%, were removed from the draft roll.
    2. Karnataka: The State projects deletions of about 20% of electors.
    3. Correction route: Voters can seek restoration through Booth Level Officers and Form 6.

    Why is the revision contested?

    1. Wrongful removal: Genuine voters risk deletion through data errors.
    2. Compressed timeline: The claims and objections window runs only to 4 September 2026.
    3. Legal challenge: The revision faces litigation over its process and scale.

    “[2017] Consider the following statements:
    1. The Election Commission of India is a ‘ five-member body.
    2. Union Ministry of Home Affairs decides the election schedule for the conduct of both general elections and bye-elections.
    3. Election Commission resolves the disputes relating to splits/mergers of recognized political parties.
    Which of the statements given above is/are correct ?
    (a) 1 and 2 only
    (b) 2 only
    (c) 2 and 3 only
    (d) 3 only

  • Government and faculty spar over the Indian Statistical Institute Bill, 2026

    Why in the News

    The Indian Statistical Institute (ISI) Bill, 2026 seeks to restructure the governance of the Indian Statistical Institute by converting it from a registered society into a government controlled statutory body corporate. The proposal has sparked concerns over institutional autonomy.

    What is the Indian Statistical Institute (ISI)?

    • Founded: Established in 1931 by Prasanta Chandra (P.C.) Mahalanobis.
    • Premier institution: A leading centre for statistics, mathematics, data science, computer science, quantitative economics and related research.
    • Institution of National Importance: Declared under the Indian Statistical Institute Act, 1959.
    • Administrative Ministry: Ministry of Statistics and Programme Implementation (MoSPI).
    • Current governance: Functions as a registered society managed by a representative Governing Council.

    What does the Bill propose?

    • Repeals the 1959 Act: Introduces the Indian Statistical Institute Bill, 2026.
    • Body corporate: Converts ISI from a society into a statutory body corporate with perpetual succession.
    • New governance structure: Replaces the Governing Council with an 11 member Board of Governors.
    • Greater government role: The Board will have a majority of government nominated members, increasing the Centre’s role in administration.

    Why are faculty members concerned?

    • Reduced academic autonomy: Faculty argue that greater government control may affect academic freedom and institutional independence.
    • Lack of consultation: They claim the Bill was drafted without adequate consultation with ISI’s academic community.
    • Demand for scrutiny: Opposition members have sought referral of the Bill to the Standing Committee on Finance for detailed examination.

    Prelims Pointers

    • Indian Statistical Institute (ISI) was founded in 1931 by P.C. Mahalanobis.
    • P.C. Mahalanobis developed the Mahalanobis Distance and played a key role in India’s statistical system and economic planning.
    • ISI is an Institution of National Importance under the Ministry of Statistics and Programme Implementation (MoSPI).
    • The Indian Statistical Institute Bill, 2026 proposes replacing the Governing Council with an 11 member Board of Governors.

    [2023] Consider the following organizations/bodies in India:
    1. The National Commission for Backward Classes
    2. The National Human Commission Rights
    3. The National Law Commission
    4. The National Consumer Disputes Redressal Commission
    How many of the above are constitutional bodies?

    [A] Only one

    [B] Only two

    [C] Only three

    [D] All four

  • Rajya Sabha passes the Supreme Court (Number of Judges) Amendment Bill, 2026 as a Money Bill

    Why in the News

    Parliament passed the Supreme Court (Number of Judges) Amendment Bill, 2026, increasing the sanctioned strength of the Supreme Court through the Money Bill route, triggering debate over the constitutional validity of bypassing the Rajya Sabha.

    What is a Money Bill?

    • Constitutional basis: Defined under Article 110 of the Constitution.
    • Scope: A Bill is a Money Bill only if it deals exclusively with matters such as:
      • Taxation, Government borrowing, Custody or withdrawal of money from the Consolidated Fund of India, Contingency Fun, and Appropriation of public money
    • Speaker’s certification: The Speaker of the Lok Sabha decides whether a Bill is a Money Bill, and the certification is endorsed on the Bill.
    • Limited role of Rajya Sabha: The Rajya Sabha can only recommend amendments within 14 days, which the Lok Sabha may accept or reject.

    What does the Bill provide?

    • Higher judicial strength: Increases the sanctioned strength of the Supreme Court from 34 to 38 judges, including the Chief Justice of India (CJI).
    • Replaces an Ordinance: Substitutes the Ordinance promulgated in May 2026.
    • Government’s objective: Reduce case pendency, improve judicial efficiency, and strengthen access to justice.

    Why is the Money Bill route controversial?

    • Constitutional issue pending: The validity of certifying certain laws as Money Bills is under consideration by a larger Constitution Bench of the Supreme Court.
    • Concern over precedent: In the Aadhaar judgment (2018), the dissenting opinion described the use of the Money Bill route for substantive legislation as a “fraud on the Constitution.”
    • Reduced parliamentary scrutiny: Since the Rajya Sabha has only an advisory role, critics argue that the route weakens bicameral legislative oversight.

    “[2014] The power to increase the number of judges in the Supreme Court of India is vested in?
    (a) The President of India.
    (b) The Parliament.
    (c) The Chief Justice of India.
    (d) The Law Commission.

  • RBI to resume licensing of Urban Cooperative Banks after two decades

    Why in the News

    The Reserve Bank of India (RBI) has announced that it will resume issuing licences for new Urban Cooperative Banks (UCBs) on an on tap basis, ending a pause of more than two decades. The move follows regulatory reforms aimed at strengthening governance and supervision in the cooperative banking sector.

    What is an Urban Cooperative Bank (UCB)?

    • Cooperative bank: A UCB is a cooperative society that provides banking services primarily in urban and semi urban areas.
    • Ownership: Owned and managed by its members on the principle of one member, one vote.
    • Dual regulation:
      • RBI: Banking operations, licensing, prudential norms and supervision.
      • State/Central Registrar of Cooperative Societies: Management, elections and administration.
    • Size: India has around 1,457 Urban Cooperative Banks.

    What is RBI changing?

    • On tap licensing: New UCB licences will be granted throughout the year, instead of one time licensing windows.
    • Review of concentration norms: RBI will revisit concentration risk norms for rural cooperative banks.
    • Interest rate framework: Plans to rationalise the interest rate framework across regulated entities for greater consistency.

    Why was licensing suspended?

    • Governance failures: Several UCBs suffered from weak governance, poor risk management and financial irregularities.
    • Bank failures: High profile failures raised concerns about depositor protection and financial stability.
    • Regulatory limitations: The dual control structure often hampered effective supervision.

    Why has RBI resumed licensing?

    • Stronger regulation: Amendments to the Banking Regulation Act, 1949 have enhanced RBI’s supervisory powers over cooperative banks.
    • Improved governance: Regulatory reforms have strengthened oversight and accountability.
    • Financial inclusion: New UCBs can expand access to affordable banking and credit in underserved urban and semi urban areas.

    Prelims Pointers

    • Urban Cooperative Banks (UCBs) operate mainly in urban and semi urban areas.
    • They are subject to dual regulation by the RBI and the Registrar of Cooperative Societies.
    • The Banking Regulation (Amendment) Act, 2020 strengthened RBI’s supervisory powers over cooperative banks.
    • On tap licensing allows eligible entities to apply for banking licences at any time instead of waiting for a specific licensing window.

    “[2021] With reference to ‘Urban Cooperative banks’ in India, consider the following statements:
    1.They are supervised and regulated by local boards set up by the State Governments.
    2.They can issue equity shares and preference shares.
    3.They were brought under the purview of the Banking Regulation Act, 1949 through an Amendment in 1966.
    Which of the statements given above is/are correct?
    (a) 1 only
    (b) 2 and 3 only
    (c) 1 and 3 only
    (d) 1, 2, and 3

  • Debate over who pays for UPI as the Taxation Bill enables charges on high value merchant transactions

    Why in the News

    The Taxation and Other Laws (Amendment) Bill, 2026 proposes to allow the government to impose Merchant Discount Rate (MDR) on selected Unified Payments Interface (UPI) transactions, reviving the debate over how India’s digital payments infrastructure should be financed.

    What is the Merchant Discount Rate (MDR)?

    • Transaction fee: The Merchant Discount Rate (MDR) is the fee charged to merchants by banks and payment service providers for processing digital payments.
    • Who pays? It is generally borne by the merchant, not the customer.
    • Current position: Since January 2020, UPI and RuPay debit card transactions have zero MDR, making them free for merchants and users.
    • Government support: The government has compensated service providers through incentive schemes to sustain the digital payments ecosystem.

    What does the Bill propose?

    • Enabling provision: The Taxation and Other Laws (Amendment) Bill, 2026 relaxes the existing restrictions on MDR.
    • Selective application: It empowers the government to notify specific UPI transactions on which MDR may be levied.
    • Likely scope: Discussions indicate the levy may apply to:
      • Merchants with high annual turnover, and
      • High value transactions above ₹2,000.
    • Objective: Ensure a financially sustainable digital payments ecosystem while protecting small merchants.

    Who should bear the cost of UPI?

    • Government funding: Continue compensating payment providers through budgetary support.
    • RBI surplus: The Reserve Bank of India’s surplus transfer could partly finance UPI infrastructure.
    • Banks and payment providers: Costs may be absorbed by financial institutions.
    • Merchants: Large merchants could bear MDR without affecting small businesses.
    • Policy challenge: Balance financial sustainability, merchant affordability, and continued digital payment adoption.

    Prelims Pointers

    • Merchant Discount Rate (MDR) is the fee paid by merchants for processing digital payment transactions.
    • UPI is operated by the National Payments Corporation of India (NPCI).
    • NPCI is an umbrella organisation for retail payment systems in India, established by the Reserve Bank of India (RBI) and the Indian Banks’ Association (IBA).
    • Zero MDR on UPI and RuPay debit card transactions has been in force since 2020.
    • The RBI periodically transfers its surplus to the Central Government under the provisions of the RBI Act, 1934.

    “[2025] Consider the following countries:
    I. United Arab Emirates
    II. France
    III. Germany
    IV. Singapore
    V. Bangladesh
    How many countries amongst the above are there other than India where international merchant payments are accepted under UPI?
    (a) Only two
    (b) Only three
    (c) Only four
    (d) All the five

  • Equity concerns in the 16th Finance Commission award

    Why in the News

    The 16th Finance Commission has retained the size of the tax pool for States but reshaped the grants that equalise between them. The tension is between fiscal efficiency and the constitutional intent of equity across unequal States.

    What is the Finance Commission?

    1. Constitutional body: The Finance Commission is set up under Article 280 every five years to recommend the sharing of taxes between the Union and the States.
    2. Vertical devolution: It fixes the share of central taxes that goes to States as a whole.
    3. Horizontal devolution: It sets the formula distributing that share among individual States.

    What are the Key Recommendations of the 16th Finance Commission?

    • Vertical devolution retained at 41%: The States’ share of the divisible pool stays at 41%, the same level as the 15th Finance Commission, giving continuity and predictability.
    • Income distance weight trimmed: The income distance weight in the horizontal formula is cut from 45% to 42.5%.
    • New GDP contribution weight: A 10% GDP contribution weight is introduced in the horizontal formula.
    • Revenue Deficit Grants eliminated: The Revenue Deficit Grants that plugged the gap for States unable to meet committed expenditure are discontinued.
    • Sector and State specific grants cut: Most sector specific and State specific grants are removed.
    • Grants in aid share halved: Grants in aid fall from 19.4% to 8.3% of total transfers.

    Why do the changes raise equity concerns?

    • Rewarding the prosperous: A GDP contribution weight favours already prosperous States that contribute more to national output.
    • Removing the equaliser: Revenue Deficit Grants had cushioned States that cannot meet committed expenditure from their own revenue.
    • Constitutional intent: Grants in aid under Article 275 are meant to lift weaker States, and a shrinking grant share works against that purpose.

    Conclusion

    The award tilts the transfer system toward fiscal performance and away from equalisation. The unresolved question is whether poorer States can meet their obligations once the grant cushion is withdrawn.

    What is Fiscal Federalism?

    • About: Fiscal federalism is the division of taxation powers, expenditure responsibilities, borrowing powers, and intergovernmental transfers among the different levels of government in a federal system.
    • Rationale: It is not merely a mechanism for dividing taxes, it ensures that a citizen’s access to essential public services does not depend excessively on the fiscal capacity of the State in which they live. Indian fiscal federalism reconciles three imbalances.
    • Vertical fiscal imbalance: The Union has access to buoyant, broad based taxes, while the States carry expenditure intensive responsibilities such as health, education, agriculture, police, and local infrastructure.
    • Horizontal fiscal imbalance: States differ widely in income, resources, geography, demographics, and revenue raising ability, so a lower income State cannot fund the same services as a richer one at similar tax rates.
    • Third tier fiscal imbalance: Panchayats and Municipalities carry substantial service delivery duties but have limited own source revenue and depend on transfers from the Union and the States.

    Constitutional Framework Governing Fiscal Federalism

    • Article 246 and the Seventh Schedule: Divides legislative and taxation powers through the Union, State, and Concurrent Lists, placing public order, health, agriculture, and local government largely in the State domain.
    • Article 246A: Inserted by the 101st Constitutional Amendment Act, 2016, gives Parliament and State Legislatures concurrent power over Goods and Services Tax, with Parliament exclusive over inter State GST.
    • Article 270: Defines the taxes forming the divisible pool shared with the States on the Finance Commission’s recommendation.
    • Article 271: Allows Union surcharges, which along with cesses are excluded from the divisible pool.
    • Article 275: Empowers Parliament to give grants in aid from the Consolidated Fund of India to States in need, including for Scheduled Tribes and Scheduled Areas.
    • Article 280: Requires the President to constitute a Finance Commission every five years to recommend vertical and horizontal devolution, the principles of grants in aid, and measures to augment State funds for local bodies.
    • Article 282: Permits the Union or a State to make grants for any public purpose, the constitutional basis for many discretionary and centrally sponsored transfers.
    • Articles 243-I and 243-Y: Require States to constitute State Finance Commissions every five years for Panchayats and Municipalities respectively.
    • Article 293: Lets States borrow within India, but a State indebted to the Union needs Union consent for further borrowing.
    • Article 279A: Establishes the GST Council, institutionalising cooperative Union State decision making on indirect taxes.

    [2023] Consider the following :
    1. Demographic performance
    2. Forest and ecology
    3. Governance reforms
    4. Stable government
    5. Tax and fiscal efforts
    For the horizontal tax devolution, the Fifteenth Finance Commission used how many of the above as criteria other than population area and income distance?
    (a) Only two
    (b) Only three
    (c) only four
    (d) All five

  • RBI Monetary Policy Committee holds the repo rate at 5.25%

    Why in the News

    The Monetary Policy Committee (MPC) of the Reserve Bank of India (RBI) has kept the policy repo rate unchanged at 5.25%, balancing inflation risks against the need to support economic growth amid global uncertainties.

    What is the Monetary Policy Committee (MPC)?

    • Statutory body: Constituted under the Reserve Bank of India Act, 1934 (amended in 2016).
    • Composition: Six members:
      • Three RBI members: Governor (Chairperson), Deputy Governor in charge of Monetary Policy, and one RBI nominee.
      • Three external members: Appointed by the Central Government.
    • Decision-making: Each member has one vote; in case of a tie, the Governor has a casting vote.
    • Mandate: Maintain Consumer Price Index (CPI) inflation at 4%, with a tolerance band of 2% to 6%.

    What did the MPC decide?

    • Repo rate unchanged: Retained at 5.25%.
    • Policy stance: Continues to remain neutral.
    • Liquidity corridor:
      • Standing Deposit Facility (SDF): 5.0%
      • Marginal Standing Facility (MSF): 5.5%
      • Bank Rate: 5.5%
    • Growth outlook: Real GDP growth projected at 6.7%.
    • Inflation outlook: CPI inflation rose to 4.4% in June 2026, crossing the 4% target after remaining below it for 16 months.

    Why did the MPC maintain the status quo?

    • Global uncertainties: Rising crude oil prices and geopolitical tensions in West Asia pose inflation risks.
    • Monsoon concerns: An El Nino driven deficient monsoon could increase food inflation.
    • Data dependent approach: The MPC prefers to wait for clearer inflation and growth signals before changing policy rates.

    Back2Basics: Reserve Bank of India (RBI)

    • Established: 1935 under the Reserve Bank of India Act, 1934.
    • Functions: Monetary authority of India, Banker to the Government, Banker to banks, Regulator and supervisor of the banking system, and Manager of foreign exchange reserves.
    • Major monetary policy instruments: Repo Rate, Standing Deposit Facility (SDF), Marginal Standing Facility (MSF), Cash Reserve Ratio (CRR), Statutory Liquidity Ratio (SLR), Open Market Operations (OMOs)

    “[2017] Which of the following statements is/are correct regarding the Monetary Policy Committee (MPC)?
    1. It decides the RBI’s benchmark interest rates.
    2. It is a 12-member body including the Governor of RBI and is reconstituted every year.
    3. It functions under the chairmanship of the Union Finance Minister.
    Select the correct answer using the code given below:
    (a) 1 only
    (b) 1 and 2 only
    (c) 3 only
    (d) 2 and 3 only

  • SpaceX Falcon 9 upper stage set to strike the Moon, exposing gaps in space law

    Why in the News

    A spent SpaceX Falcon 9 upper stage is expected to impact the Einstein Crater on the Moon on 5 August 2026. The event provides a rare scientific opportunity while highlighting gaps in international laws governing lunar activities and space debris.

    What is the Outer Space Treaty?

    • The Outer Space Treaty (1967) is the foundation of international space law.
    • Governs activities in outer space, including the Moon and other celestial bodies.
    • Prohibits national sovereignty claims over outer space (Article II).
    • Requires exploration for the benefit of all countries and peaceful purposes.

    What is a Controlled Source Impact?

    • An impact where the mass, speed, and trajectory of the object are known beforehand.
    • Helps scientists accurately study:
      • Crater formation.
      • Lunar dust (ejecta) behaviour.
      • Surface composition.

    What is ATLAC?

    • Action Team on Lunar Activity Consultation (ATLAC) is a United Nations (UN) working group.
    • Works on developing norms for: Lunar landing coordination, Lunar dust mitigation, and Space debris management.

    Why is the Impact Significant?

    • Rare opportunity to study the Moon through a known artificial impact.
    • Improves understanding of lunar dust, crucial for future lunar missions and habitats.
    • Similar to NASA’s Lunar Crater Observation and Sensing Satellite (LCROSS) Mission (2009), which confirmed the presence of water ice.

    Challenges

    • No treaty specifically regulates lunar debris or spent rocket stages.
    • No legal protection for lunar heritage sites (e.g., Shiv Shakti Point).
    • Increasing commercial and national missions raise collision risks.
    • Slow consensus-based UN rule-making.

    Chandrayaan-3

    • Launched by: Indian Space Research Organisation (ISRO) in 2023.
    • Achievement: First soft landing near the Moon’s south pole; India became the 4th country to achieve a soft landing on the Moon.
    • Shiv Shakti Point: Name of the Vikram lander’s landing site.
    • Components: Vikram Lander and Pragyan Rover.

    [2009] India has recently landed its Moon Impact Probe (MIP) on the Moon. Among the following countries, which one landed such probe on the Moon earlier?

    (a) Australia

    (b) Canada

    (c) China

    (d) Japan.