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  • How different are Supercomputers to normal computers?

    Why in the News?

    This newscard is an excerpt from the original article published in The Hindu.

    What is a Supercomputer?

    • Overview: A high-performance computing system capable of trillions to quintillions of calculations per second.
    • Parallel Computing: Uses thousands of processors working together instead of relying on a single fast processor.
    • Applications: Climate modelling, nuclear simulations, black hole research, drug discovery, and artificial intelligence training.
    • Performance Measure: FLOPs (floating-point operations per second); advanced machines now achieve exaflop levels (10¹⁸ calculations/sec).

    How Supercomputers Differ from Normal Computers

    • Speed: Laptops perform billions of FLOPs; supercomputers perform quintillions.
    • Parallelism: PCs use one or few processors; supercomputers employ thousands to millions of cores.
    • Structure: Built of interconnected nodes (processor + memory bundles) linked by ultra-fast networks.
    • Storage: Manage petabytes of data, unlike gigabytes/terabytes in personal devices.
    • Cooling & Power: Need specialised cooling (water/immersion) and consume electricity equal to a small town.
    • Usage: PCs run interactive apps; supercomputers run scheduled jobs remotely for scientists and researchers.

    India’s journey in Supercomputing:

    • Early Efforts: Began with C-DAC’s PARAM 8000 (1991) after Western import restrictions.
    • National Supercomputing Mission (2015): Jointly by DST & Ministry of Electronics and IT; implemented by C-DAC and IISc to build 70+ systems.
    • Major Systems (2025):
      • AIRAWAT-PSAI (C-DAC, Pune) – fastest in India (8.5 PF, global rank 136).
      • PARAM Siddhi-AI – global AI leader.
      • Pratyush (IITM, Pune) – weather & climate (3.76 PF).
      • Mihir (NCMRWF, Noida) – medium-range weather (2.57 PF).
      • PARAM Pravega (IISc, Bengaluru) – academic use (>3.3 PF).
    • Indigenous Push: PARAM Rudra (2024) with Indian servers and software stack.
    • Applications: Monsoon forecasting, Himalayan research, defence simulations, AI, drug design, materials science.
    • Current Capacity: 34+ supercomputers with ~35 petaflops; plans for exascale systems underway.
    [UPSC 2014] Param Padma, which was in the news recently, is:

    (a) a new Civilian Award instituted by the Government of India

    (b) the name of a supercomputer developed by India *

    (c) the name given to a proposed network of canals linking northern and southern rivers of India

    (d) a software programme to facilitate e-governance in Madhya Pradesh

     

  • Is it feasible to blend Isobutanol and Diesel? 

    Why in the News?

    The Union Transport Minister has announced that the Automotive Research Association of India (ARAI) is studying the feasibility of blending Isobutanol with Diesel after ethanol–diesel blending attempts failed.

    About Isobutanol:

    • What is it: A four-carbon alcohol (C₄H₁₀O), clear, flammable, and traditionally used as a solvent in paints, coatings, and chemical industries.
    • Production: Derived either from petrochemical processes or by fermenting sugarcane, molasses, and grains with engineered microbes.
    • Fuel Properties:
      • Higher energy density than ethanol, closer to diesel.
      • Lower hygroscopicity (absorbs less water), reducing rust and corrosion in engines and pipelines.
      • Higher flash point than ethanol, making it safer for storage and transport.

    Isobutanol–Diesel Blending and Benefits:

    • Compatibility: Unlike ethanol, isobutanol blends well with diesel without extra chemicals.
    • Economic Feasibility: Can be produced in existing ethanol plants with minor changes.
    • Agricultural Support: Creates demand for sugarcane by-products, helping farmers and managing sugar surplus.
    • Energy Security: Reduces reliance on imported fossil fuels and saves foreign exchange.
    • Global First: Pilot studies may make India the first country to use isobutanol–diesel blends.

    Challenges and Risks:

    • Combustion Issues: Has a lower cetane number than diesel, causing poor combustion quality.
    • Engine Risks: Can trigger diesel knock (uneven burning, power loss, engine damage).
    • Mixing Limitations: Blending challenges exist but can be partly solved with biodiesel addition.
    • Cost Factor: Requires additives to restore cetane number, increasing costs.
    • Blending Limit: Experts suggest ≤10% blending to avoid harm.
    • Pilot Phase: Testing will take ~18 months before possible large-scale adoption.
    [UPSC 2020] With reference to green hydrogen, consider the following statements:

    1. It can be used directly as a fuel for internal combustion.

    2. It can be blended with natural gas and used as fuel for heat or power generation.

    3. It can be used in the hydrogen fuel cell to run vehicles.

    How many of the above statements are correct?

    Options: (a) Only one (b) Only two (c) All three* (d) None

     

  • ‘Smog-eating’ photocatalytic coatings on roads to curb pollution

    Why in the News?

    Delhi government has announced a feasibility study to test photocatalytic coatings on roads, pavements, and public spaces to bring visible improvements in air quality.

    About Smog:

    • Overview: Combination of smoke and fog, forming smoky fog with soot, gases, and moisture.
    • Components: Includes soot particulates, sulphur dioxide (SO), nitrogen dioxide (NO), hydrocarbons, carbon monoxide (CO), and ozone (O).
    • Types:

      1. Sulfurous Smog (London Smog) – Caused by burning coal and sulphur-bearing fuels; worsened by dampness and particulates.
      2. Photochemical Smog (Los Angeles Smog) – Produced when NOₓ and hydrocarbons react under sunlight, forming ozone; appears as a brownish haze with respiratory effects.
    • Pollutants:

      1. Primary pollutants: Directly emitted (NO₂, SO₂, hydrocarbons).
      2. Secondary pollutants:  Formed via reactions (ozone, acid rain).
    • Haze vs. Smog: Haze = dry particles reducing visibility; Smog = pollutants with condensation.
    • Effects: Respiratory distress, eye irritation, plant damage, reduced visibility, carcinogenic risk, worsened by inversion layers and low rainfall.

    What are “Smog-Eating” Coatings?

    • Technology: Photocatalytic coatings using titanium dioxide (TiO) on roads, pavements, and public surfaces.
    • Function: Under sunlight, TiO₂ breaks down pollutants like NO and hydrocarbons into less harmful compounds.
    • Advantages: Low-cost, stable, compatible with traditional materials, effective in depollution and creating self-cleaning surfaces.

    Delhi Government Plan

    • Plan: If viable, Cabinet proposal for citywide rollout at busy corridors, markets, and public spaces.
    • Evaluation: Study to assess cost-effectiveness, safety, and sustainability while shortlisting suppliers.
    • Strategic Context: Part of a 24×7, year-round environmental action plan using technology-driven interventions.
    [UPSC 2013] Photochemical smog is a resultant of the reaction among-

    (a) NO₂, O₃ and peroxyacetyl nitrate in the prescence of sunlight *

    (b) CO₂, O₂, and peroxyacetyl nitrate in the presence of sunlight

    (c) CO, CO₂, and NO₂ at low temperature

    (d) high concentration of NO₂, O₃ and CO in the evening

     

  • [2025 GS1 UPSC MAINS] What are non-farm primary activities? How are these activities related to physiographic features in India? Discuss with suitable examples. (10 Marks)

    [2025 GS1 UPSC MAINS] What are non-farm primary activities? How are these activities related to physiographic features in India? Discuss with suitable examples. (10 Marks)

    Smash 2025 FLT 11
    Q5. Evaluate the impact of PM Matsya Sampada Yojana in transforming India’s fisheries sector. What more needs to be done to ensure sustainability and inclusiveness?

    Smash 2025 Adv Test 07
    Q10. Despite being the largest milk producer, India faces a growing demand-supply gap in the dairy sector. Identify the reasons behind this gap and suggest strategies to bridge it.

    Smash 2025 Adv Test 07
    Q20. Despite its economic significance, the livestock sector faces multiple challenges. Discuss. Also, suggest a comprehensive strategy to strengthen the sector.
    PYQ
    Q. Define blue revolution, explain the problems and strategies for pisciculture development in India. (2018)

    Non-farm primary activities are economic activities of the primary sector that do not involve crop farming, but rely on direct exploitation of natural resources. These include animal rearing, fishing, forestry, mining, and quarrying

    Key features of primary activities in point format (no elaboration, no examples):

    1. Direct dependence on nature
    2. First stage of production
    3. Labour-intensive
    4. Extensive land use
    5. Low value addition
    6. Seasonal dependence
    7. Geographically localised
    8. Rural dominance
    9. High employment share in developing economies

    Relation to Physiographic Features 

    1. Animal Rearing – Relief & climate decide type of livestock.
    • Sheep and goat in Thar Desert
    • yak in Ladakh
    • camel in Rajasthan arid zone
    • dairy farming in Indo-Gangetic plains.
    1. Fishing – Coastal morphology, deltas, and rivers enable both marine and inland fishing.
    • Marine fishing along Konkan & Malabar coasts
    • Prawn culture in Chilika Lake
    • Riverine fishing in Brahmaputra & Ganga basins.
    1. Forestry – Forest type depends on terrain and rainfall.
    • Teak in Western Ghats
    • Chir pine in Himalayas
    • Lac in Chhota Nagpur Plateau
    • Bamboo in North-East India.
    1. Mining & Quarrying – Geological formations dictate mineral wealth.
    • Coal in Damodar Valley
    • Iron ore in Odisha-Jharkhand belt
    • Petroleum in Assam & Mumbai High
    • Mica in Andhra Pradesh
    • Bauxite in Nilgiri hills.
    1. Horticulture & Plantation (resource-driven) – Relief and climate support fruits and plantations.
    • Apple in Himachal & Kashmir valleys
    • Tea in Assam hills & Nilgiris
    • Coffee in Karnataka Western Ghats.
    1. Salt Production – Arid coastal plains and saline soils encourage salt-making. Eg– Rann of Kutch (Gujarat) is India’s largest salt producer.
    2. Pearl & Coral Collection – Shallow warm seas favor natural pearl and coral activities. Eg– Gulf of Mannar (Tamil Nadu) famous for pearl fisheries.
    3. Gathering and Hunting (traditional) – Tribal populations depend on forests for NTFPs Eg– Honey and gum collection in Madhya Pradesh forests; shifting cultivation tribes supplementing food in North-East hills.

    Non-farm primary activities in India are strongly tied to physiographic zones, highlighting the direct interdependence of livelihoods on geography.

    1. Mountains & Highlands
    • Animal Rearing – Yak in Ladakh, sheep in Kashmir Himalayas.
    • Forestry – Chir pine in Himalayas, temperate fruit orchards (apple) in Himachal & Kashmir.
    • Plantations – Tea in Darjeeling & Nilgiris, coffee in Western Ghats.
    • Mining – Bauxite in Nilgiri Hills, mica in Jharkhand plateau uplands.
    1. Plateaus
    • Mining & Quarrying – Coal in Damodar Valley, iron ore in Odisha–Jharkhand belt, manganese in Nagpur–Balaghat belt.
    • Forestry & Gathering – Lac, tendu leaves, bamboo in Chhota Nagpur Plateau & Central India forests.
    • Cattle Rearing – Dry plateau zones of Deccan support goat and cattle.
    1. Plains
    • Dairy Farming – Large-scale milk production in Indo-Gangetic plains (Punjab, Haryana, UP).
    • Fishing & Aquaculture – Inland fisheries in Ganga-Brahmaputra river system.
    • Sericulture – Mulberry cultivation in Karnataka plains.
    1. Coastal Regions
    • Marine Fishing – Tuna & mackerel along Malabar & Konkan coasts; prawn culture in Chilika Lake.
    • Pearl & Coral CollectionGulf of Mannar (Tamil Nadu).
    • Salt ProductionRann of Kutch (Gujarat), Chennai coast.
    • Plantations – Coconut in Kerala coast, cashew in Konkan & Goa.
    • Oil & Gas – Offshore drilling in Mumbai High.
    1. Desert & Arid Regions
    • Animal Rearing – Camel, goat, sheep in Thar Desert (Rajasthan).
    • Salt Production – Evaporative pans in Rann of Kutch.
    • Gypsum & Lignite Mining – Western Rajasthan.
  • 🔴[UPSC Ranker Webinar] By IRPFS, Tamanna Dua, LSR & Cambridge| How to Prepare for UPSC 2026/27 with College & Job | Join on 21st September at 7PM

    🔴[UPSC Ranker Webinar] By IRPFS, Tamanna Dua, LSR & Cambridge| How to Prepare for UPSC 2026/27 with College & Job | Join on 21st September at 7PM

    Register for the session


    Read about Webinar

    I am Tamanna Dua, IRPFS. I cleared UPSC while juggling academics and work. If you plan it right, you don’t have to choose between your degree/job and this exam.

    What I will cover live:
    •Study plan that fits real life: classes, shifts, commute, family time.
    •Weekly rhythm: what to do Mon to Fri vs weekend; how to recover after bad weeks.
    •Micro goals for big results: PYQs, micro themes, targeted notes.
    •Resources without clutter: how many sources, what to drop, how to revise fast.
    •Accountability & burnout control: simple tracking, rest days, staying consistent.

    What you will take away:
    •A 12 week starter plan for 2026/27.
    •A micro theme checklist and a one pager notes format.
    •A clear view of what to stop doing to save time.

    Who should attend:
    •College students targeting 2026/27.
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    •Anyone stuck between too many resources and too little time.

    Join us, for a 45 minute live Zoom session on 21st Sept at 7 PM.

    See you in masterclass.



    It will be a 45 minute webinar, post which we will open up the floor for all kinds of queries which a beginner must have. No questions are taboo and Tamanna Ma’am is known to be patiently solving all your doubts.

    Join us for a Zoom session on 21st Sept at 7 PM. This session is a must-attend for you If you are attempting UPSC for the first time or have attempted earlier and now preparing for next year, then it is going to be a valuable session for you too.

    See you in the session”

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  • [20th September 2025] The Hindu Op-ed: The Saudi-Pakistan pact is a dodgy insurance policy

    PYQ Relevance:

    [UPSC 2018] In what ways would the ongoing US–Iran Nuclear Pact controversy affect the national interest of India? How should India respond to this situation?

    Linkage: The Saudi–Pakistan SMDA, like the earlier US–Iran Nuclear Pact controversy, reshapes West Asian alignments and directly impacts India’s energy security, diaspora safety, and regional stability. Just as India had to balance between Iran, the U.S., and Gulf partners in 2018, it must now carefully hedge between Riyadh and Islamabad while safeguarding its own strategic interests.

    Mentor’s Comment

    The Strategic Mutual Defence Agreement (SMDA) signed between Saudi Arabia and Pakistan in September 2025 has been described as a pact of optics rather than substance. Its timing, context, and asymmetrical calculations raise questions on whether it strengthens West Asian security or merely signals short-term adjustments. For UPSC aspirants, this episode provides insights into the shifting geopolitics of South West Asia, Pakistan’s strategic opportunism, Saudi Arabia’s security dilemmas, and India’s balancing role.

    Introduction

    On 17 September 2025, Saudi Crown Prince Mohammed bin Salman and Pakistani Premier Shahbaz Sharif signed the Strategic Mutual Defence Agreement (SMDA) in Riyadh, with Field Marshal Asim Munir in attendance. While presented as a landmark pact, its real significance lies in the optics of security reassurance amid the shifting sands of Middle Eastern politics. Both nations have a chequered past of military cooperation, rooted in shared faith but divided by divergent threat perceptions. The agreement’s asymmetrical benefits, U.S. undertones, and implications for India make it geopolitically consequential.

    Why is the SMDA in the news and why is it significant?

    1. First major pact in decades: The last high-point of Saudi–Pakistan defence ties was in the 1979–89 period, when 20,000 Pakistani troops protected Saudi Arabia and the Holy Harams.
    2. Optical reassurance: The SMDA is viewed more as a symbolic gesture than a substantive alliance, designed to show unity amidst rising threats from Iran, Yemen, and Israel.
    3. Geopolitical urgency: Triggered by the September 9 Israeli air strike in Doha (Qatar), the pact signals waning U.S. credibility as a security guarantor for the Gulf.
    4. Big deal: Pakistan is now a declared nuclear state, raising speculation of nuclear cooperation with Riyadh, though practical transfer remains improbable.

    What has been the history of Saudi-Pakistan defence cooperation?

    1. Golden phase (1979–89): 20,000 Pakistani soldiers stationed in Saudi Arabia to protect the monarchy and act against Iran and Yemen.
    2. Saudi view: Treated Pakistani forces as paid Praetorian Guards, limiting their autonomy.
    3. Pakistani view: Resented lack of command; exclusion of Shia troops created tensions.
    4. 1990 onwards: Pakistan refused Saudi requests during major crises (Iraq’s Kuwait invasion, Yemeni war), limiting its role to protecting the Holy Harams.

    How has the United States influenced the SMDA?

    1. Pentagon as the guarantor: U.S. historically underpinned Saudi–Pak defence ties “over-the-horizon.”
    2. Trump’s role: In June 2025, Field Marshal Munir’s “private lunch” with Trump in Washington signalled Washington’s blessing.
    3. Israeli factor: Saudi Arabia wanted a U.S. defence pact and nuclear technology in exchange for recognising Israel. The Hamas attack on Israel in Oct 2023 derailed the plan, leaving the SMDA as a consolation prize.
    4. Credibility gap: The U.S. failure to defend Qatar against Israeli strikes exposed fragility in Gulf security guarantees.

    What are Riyadh’s calculations from the SMDA?

    1. Avoid Arab troops: Past experience with Arab/Turkish troops created risks of “political pollination.
    2. Massive arms imports: Saudi Arabia has ordered $100 billion worth of U.S. weapons in 2025.
    3. Nuclear hedge: Pakistan’s nuclear capability could deter Iran if it goes nuclear.
    4. Chinese factor: Pakistan’s ties with China may complicate Riyadh’s trust.
    5. Realistic expectation: Riyadh foresees smaller Pakistani footprints than before, given past frictions.

    What are Islamabad’s calculations from the SMDA?

    1. Asymmetrical gains: No intention to fight Saudi wars against Iran, Yemen, or Israel.
    2. Strategic opportunism: Exploit Saudi insecurity to gain funds, oil, defence hardware, and training.
    3. Personal aggrandisement:Pakistan’s military elite aim to monetise “IOUs” from Riyadh and Washington.
    4. Regional calculus: Hopes trilateral axis will offset its strategic disadvantage against India.

    What does the SMDA mean for India?

    1. Energy linkages: India is the third-largest oil importer and among Saudi’s top trade partners.
    2. Diaspora factor: Largest expatriate community in Saudi Arabia, valued for skills and neutrality.
    3. Diplomatic capital: Post-2014 outreach has created defence and intelligence-sharing frameworks.
    4. Saudi balancing act: Riyadh assured Reuters that ties with India remain “robust,” acknowledging India’s nuclear status and geoeconomic heft.
    5. Implication: India must remain vigilant, building greater Arabian Sea synergies to counterbalance tactical moves by Pakistan.

    Conclusion

    The Saudi–Pakistan pact is less a robust security alliance and more a political insurance policy, crafted in haste amid shifting regional dynamics. While it temporarily reassures Riyadh and monetarily benefits Islamabad, its sustainability remains doubtful due to divergent threat perceptions, nuclear sensitivities, and overlapping U.S.–China rivalries. For India, the SMDA underscores the need to strengthen its energy diplomacy, diaspora leverage, and strategic partnerships with Riyadh, while maintaining watchfulness over Pakistan’s manoeuvres.

  • A climate-health vision with lessons from India

    Introduction

    At the Global Conference on Climate and Health (July 2025, Brazil), 90 countries shaped the Belém Health Action Plan, which will guide the climate-health agenda at COP30 (Nov 2025). Ironically, India, despite having some of the most instructive welfare experiences linking climate and health, was not officially represented, a missed opportunity to emerge as a global exemplar.

    India’s non-health interventions like the Pradhan Mantri Poshan Shakti Nirman (PM POSHAN), Swachh Bharat Abhiyan, Mahatma Gandhi National Rural Employment Guarantee Act (MNREGA), and Pradhan Mantri Ujjwala Yojana (PMUY) offer rich lessons for operationalising an integrated climate-health framework. They reveal that intentional, intersectoral action can yield multiple dividends: improved nutrition, reduced pollution, restored ecosystems, and healthier communities.

    Why is this news significant?

    India’s absence at Belém stands out because for the first time a global platform is drafting a climate-health action plan. While India has often been viewed through the prism of its energy transition challenges, this moment presented a chance to highlight its homegrown welfare successes with global resonance. The paradox is striking: even without designing policies as “climate policies,” India has reaped climate-health co-benefits, unlike many countries still struggling to integrate the two. Yet, persistent failures like high LPG refill costs in PMUY and siloed governance highlight the scale of unfinished work.

    What is the Belém Health Action Plan (BHAP)?

    • The BHAP is a strategic framework being finalized ahead of COP30 (Nov 2025, Belém, Brazil) intended to integrate health into climate change adaptation.
    • It emphasizes health equity, climate justice, and social participation alongside strengthening health systems to be resilient in face of climate change.

    Key Features / Action Lines

    Some of its priority action lines include:

    • Surveillance & Monitoring:
      • Linking climate/environmental data with health surveillance, early warning systems (for heatwaves, epidemics, etc.).
      • Real-time data, local / community-level monitoring.
    • Evidence-Based Policy Strategy & Capacity Building:
      • Training health workforce, integrating mental health & psychosocial support measures.
      • Gender-responsive, inclusive policies, recognizing most vulnerable groups (women, Indigenous people, persons with disabilities).
    • Innovation & Production:
      • Resilient infrastructure and services (e.g. climate-adapted health facilities), sustainable supply chains.
      • Focus on blended financing and mobilizing investments to make health systems adaptive and equitable.
    • Cross-cutting priorities:
      • Health equity & climate justice: ensuring that adaptation efforts do not further marginalize vulnerable groups.
      • Leadership & governance: accountability, social participation from civil society, clear institutional roles.

    What lessons do India’s welfare programmes offer for climate-health synergy?

    1. PM POSHAN: Covers 11 crore children in 11 lakh schools, linking nutrition, agriculture, and education. Promotion of millets strengthens climate-resilient food systems.
    2. Swachh Bharat Abhiyan: Improved sanitation, public health, and environmental sustainability, while embedding dignity and cultural symbolism via Gandhi’s vision.
    3. MNREGA: Enhanced livelihood security while simultaneously restoring degraded ecosystems through water conservation and afforestation.
    4. PM Ujjwala Yojana (PMUY): Transition to clean cooking fuel cut household air pollution — a leading cause of respiratory illness — while reducing carbon emissions.

    How has leadership and community engagement shaped outcomes?

    1. Political leadership: Direct involvement of the Prime Minister gave Swachh Bharat and PMUY inter-ministerial traction and public legitimacy.
    2. Community engagement: PM POSHAN leveraged parent-teacher committees, Swachh Bharat invoked cultural pride in cleanliness, ensuring local ownership.
    3. Cultural anchoring: Climate action framed as health protection resonates more deeply than carbon metrics.

    What structural challenges persist in implementation?

    1. Administrative silos: Divergent sectoral mandates limit integrated outcomes.
    2. High refill costs in PMUY: Oil marketing interests often outweigh beneficiary affordability.
    3. Social barriers: Gender norms and cultural practices limit uptake of clean fuel and sanitation.
    4. Output vs. outcome gap: Programmes measure immediate coverage but not long-term health-climate impact.

    What framework does India’s experience suggest for climate-health governance?

    1. Strategic prioritisation: Frame climate action as immediate health security, not distant environmental risk.
    2. Procedural integration: Embed health impact assessments into energy, transport, and urban policies.
    3. Participatory implementation: Leverage ASHA workers, SHGs, Panchayats as health-climate advocates.

    Why is this vision critical for the future?

    1. High stakes: Delinking climate and health crises leads to fragmented solutions with escalating costs.
    2. Transformative potential: An intersectoral, whole-of-society approach could position India as a global leader in climate-health governance.
    3. Clear choice: Continue piecemeal efforts or pioneer a bold model aligning welfare with planetary health.

    Conclusion

    India’s welfare architecture has shown that policies designed for social welfare can unintentionally become climate-health interventions. The challenge now is to make this synergy intentional and institutionalised, with robust political framing, procedural integration, and community mobilisation. At a time when the world is drafting a global climate-health action plan, India’s absence from the table is a wake-up call: to convert scattered lessons into a coherent model of governance that others can emulate.

    Value Addition

    Key Concepts

    1. Climate-Health Nexus: Environmental policies often have unintended health impacts; health policies also influence climate outcomes.
    2. Co-Benefits Approach: One intervention (e.g., PMUY for clean cooking fuel) yields multiple dividends (better health, women’s empowerment, reduced emissions).
    3. Whole-of-Society Approach: Intersectoral coordination between ministries, communities, and local bodies ensures impact.
    4. Output vs Outcome Gap: Many Indian schemes achieve outputs (LPG connections, toilets built) but outcomes (sustained use, cleaner air, health equity) remain weak.

    Important Data / Reports

    1. WHO Report (2021): Air pollution causes 7 million premature deaths annually worldwide.
    2. Lancet Countdown on Health and Climate Change (2022): South Asia faces one of the highest global burdens of climate-related health risks.
    3. India’s National Family Health Survey (NFHS-5, 2021): Despite welfare schemes, 35.5% of children under 5 are stunted and 32.1% are underweight, showing links between nutrition, climate resilience, and health.
    4. UNDP (2023): Every $1 invested in resilience and adaptation yields $4 in avoided losses.
    5. Global Conference on Climate & Health (Belém Plan, 2025): First global blueprint on climate-health integration.

    PYQ Linkage:

    [UPSC 2017] ‘Climate Change’ is a global problem. How India will be affected by climate change? How Himalayan and coastal states of India will be affected by climate change?

    Linkage: India’s welfare schemes like PM POSHAN, PMUY, Swachh Bharat and MNREGA demonstrate that non-health interventions can mitigate climate impacts while improving public health. The Himalayan and coastal states, most vulnerable to warming, floods, and sea-level rise, can benefit from such intersectoral, resilience-building models. Thus, India’s climate-health vision provides practical pathways to address both regional vulnerabilities and national climate commitments.

  • Turmoil, tragedy, and tenacity in Nepal

    Introduction

    In early September 2025, Nepal was rocked by its most intense youth uprising since the end of monarchy in 2008. Peaceful demonstrations against corruption and inequality, largely organised online, escalated into violent clashes, leaving 73 dead and vital government institutions in flames. The resignation of Oli and the appointment of Sushila Karki as interim Prime Minister has opened a critical transition. The protests underscore the growing role of Gen Z digital activism in reshaping political landscapes.

    Timeline of the protests

    1. 4 Sept 2025: Government orders registration/ban of 26 social media platforms (trigger).
    2. Early Sept (pre-8): Weeks of online organising; #NepoBabies and related trends circulate.
    3. 8 Sept 2025 (Day 1): Large peaceful gatherings at Maitighar Mandala; clashes erupt; official reports of first deaths (≈19 reported that night).
    4. 9 Sept 2025 (Day 2): Violence spreads; Parliament, Supreme Court, Singha Durbar attacked and some set on fire; casualty and injury figures climb.
    5. 10–12 Sept 2025: Army deployed to secure cities; Home Minister and Oli resign; negotiations with youth representatives begin.
    6. 12–14 Sept 2025: Sushila Karki sworn in as interim prime minister; Parliament dissolved; elections scheduled for March (caretaker mandate announced).

    How did legal restraints on digital space ignite a national revolt?

    1. Trigger — Social Media Ban: On 4 September 2025, the government ordered the blocking/registration of 26 social media platforms, including X, Facebook, and Instagram.
    2. Impact: This cut off Gen-Z’s primary space for organisation, expression, and economic activity, seen as a direct assault on civic freedom.
    3. Outcome: Scattered anger was transformed into coordinated protests.
    4. Example: Youth groups used Discord and TikTok to plan assemblies at Maitighar Mandala and coordinate marches towards Parliament.

    What were the structural grievances behind the uprising?

    1. Corruption & Elitism: Perceptions of elite capture, misuse of resources, and impunity fuelled resentment.
    2. Symbol of Rage: The #NepoKids / #NepoBabies campaign exposed politicians’ children flaunting luxury while ordinary youth faced precarity.
    3. Example: Viral clips contrasting lavish lifestyles with student unemployment intensified outrage.
    4. Data: Transparency International (2025): Nepal ranked 107/180 on the Corruption Perceptions Index (CPI score: 34).

    Why did peaceful protests become deadly and destructive?

    1. Escalation: Initially peaceful gatherings on 8 September were dispersed using tear gas and reportedly live ammunition.
    2. Violence: Retaliatory riots followed; demonstrators targeted symbols of state power.
    3. Example: On 9 September, Parliament, Supreme Court, and Singha Durbar were set ablaze; crucial judicial records were damaged.
    4. Data: 72–73 deaths reported, with hundreds injured, mostly between ages 19–24.

    What immediate political fallout followed the unrest?

    1. Leadership Change: Home Minister resigned on 8 Sept; PM K.P. Sharma Oli stepped down on 9 Sept.
    2. Caretaker Transition: The Army mediated negotiations; Parliament was dissolved.
    3. Interim PM: Sushila Karki, former Chief Justice, sworn in on 12 Sept 2025, mandated to hold elections within six months.
      • Karki visited hospitals, assured investigations, and pledged accountability and timely polls.

    How did digital tools shape both mobilisation and misinformation?

    1. Mobilisation: Platforms like Discord, TikTok, and hashtags enabled rapid outreach, meme-culture, and youth identity in protests.
    2. Creativity: Anime/manga flags and viral videos energised Gen-Z demonstrations.
    3. Misinformation: False reports and AI-generated images (e.g., Pashupati Temple “burning”) created panic and confusion.
    4. Example: Fake claims about a senior politician’s family being killed circulated widely before being disproved.

    What are the main challenges facing Nepal’s interim rulers?

    1. Legitimacy Concerns: Traditional political parties, deposed MPs, and royalist factions question the constitutional mandate of the interim set-up.
    2. Balancing Act: The government must address youth expectations of anti-corruption and inclusivity while ensuring political buy-in from entrenched elites.
    3. Stability: Conducting free and fair elections by March 2026 without undermining the democratic spirit of Gen-Z protests remains the foremost task.
    4. Example: Political parties and royalists have already raised doubts over Karki’s legitimacy despite broad youth support.

    Implications for Nepal (domestic)

    • Political Legitimacy and Party Renewal
      • The protests revealed a deep erosion of trust in established parties.
      • Unless political parties reform and integrate youth aspirations into institutional politics, cycles of protest could continue.
      • Revamping youth wings and embracing inclusivity may be crucial for long-term stability.
      • (Echoes analysts’ calls for parties to redefine themselves in light of 1990 and 2006 lessons.)
    • Rule of Law and Accountability
      • Strong demands exist for independent investigations into the use of excessive force and arson during protests.
      • The credibility of Nepal’s democracy depends on whether security forces and political elites are held accountable.
      • Sushila Karki’s pledge to investigate abuses and compensate victims sets both a legal and moral benchmark.
    • Economic and Social Policy Pressure
      • With youth unemployment at 20%, migration pressures, and widening inequality, socio-economic grievances remain central.
      • The interim government faces urgent pressure to deliver short-term relief (jobs, anti-corruption crackdowns) while laying the groundwork for structural reforms in education, employment, and inclusivity.
      • Failure to deliver may reignite unrest and deepen distrust in democratic institutions.

    Implications for South Asia (regional)

    • Contagion Risk and Inspiration:
      • The Nepali uprising reflects a wider Gen-Z dissent pattern in Asia.
      • Similar youth-led movements in Sri Lanka (2022), Bangladesh, Indonesia, Philippines have challenged entrenched elites.
      • Nepal’s protests may inspire emulation across borders, intensifying regional instability.
    • Cross-Border Diplomacy & Stability:
      • Political turbulence in Kathmandu could strain bilateral relations with neighbours.
      • Instability may disrupt migration flows, remittances, and border trade.
      • Governments in South Asia may reassess youth policy, unemployment measures, and digital freedoms to preempt unrest.
    • Policy Lessons on Digital Platforms:
      • Nepal’s ban highlights the risks of hard regulation of social media.
      • Neighbouring states will closely observe whether bans quell dissent or provoke backlash.
      • The episode may shape future regional digital governance frameworks balancing free expression with misinformation control.

    Conclusion

    Nepal’s Gen Z uprising is both tragic and transformative. It highlights the power of digital natives to hold governments accountable, but also the dangers of violence and misinformation. The coming months will test whether Nepal can channel this energy into transparent, inclusive governance or relapse into instability.

    PYQ Linkage:

    [UPSC 2012] Discuss the contentious issues that have caused the prolonged

    constitutional logjam in Nepal.

    Linkage: The 2025 Gen Z protests in Nepal show that unresolved constitutional questions of inclusiveness, accountability, and representation remain central even after the 2015 Constitution. The uprising exposed youth anger at elite capture and exclusion of caste, ethnic, and gender groups — echoing the very fault lines that prolonged Nepal’s constitutional logjam post-2008 monarchy abolition. Thus, the recent turmoil is a continuation of the older struggle for a truly inclusive and accountable Nepali state.

  • Supreme Court cites Preamble to reject a plea

    Why in the News?

    The Supreme Court rejected a plea against a religious leader inaugurating Mysuru Dasara, reminding that the Preamble upholds secularism, liberty, equality, and fraternity as core ideals of unity.

    Backgrounder:

    • The Karnataka government invited Banu Mushtaq, 2025 International Booker Prize winner, to inaugurate Mysuru Dasara Festival and perform the pooja.
    • A 2023 video resurfaced where she questioned the worship of Goddess Bhuvaneshwari, sparking controversy.
    • BJP and others opposed the invite, for her selective criticism of Hindu rituals and demanded withdrawal of the invite sent to her.

    Supreme Court’s Observations:

    • Secular Character: The Court reminded that the Preamble enshrines secularism, liberty, equality, and fraternity as unifying ideals.
    • State’s Neutrality: Dasara inauguration was a State event, not a private ritual. The State “maintains no religion of its own” (echoing M. Ismail Faruqui, 1994).
    • Key Precedents Recalled:
      • Kesavananda Bharati (1973) & S.R. Bommai (1994): Secularism = basic feature of the Constitution.
      • R.C. Poudyal (1994): Even before “secular” was inserted (42nd Amendment, 1976), the Constitution upheld equal treatment of all faiths.
      • Dr. Balram Singh v. UOI (2024): State can intervene to curb religious practices impeding equality & development.

    Preamble

    About the Preamble:

    • Nature: Introductory statement; reflects philosophy, vision, and objectives.
    • Origin: Based on Objectives Resolution (Nehru, 1946); adopted 1947.
    • Declarations: India as Sovereign, Socialist, Secular, Democratic, Republic ensuring Justice, Liberty, Equality, Fraternity.
    • Symbolism:

      1. Source of Authority: “We, the People of India.”
      2. Nature of State: Sovereign, Socialist, Secular, Democratic, Republic.

    Amendment of the Preamble:

    • Permissible: Supreme Court (Kesavananda Bharati, 1973) has held that Preamble is part of Constitution and can be amended without violating Basic Structure.
    • Only Amendment: 42nd Constitutional Amendment Act, 1976 (during Emergency).
      • Added “Socialist” and “Secular” between Sovereign and Democratic.
      • Added “Integrity” to Unity of the Nation.

    Key Judicial Pronouncements:

    • Berubari Union Case (1960): Preamble not a part of the Constitution; only a tool for interpretation.
    • Kesavananda Bharati Case (1973): Overruled Berubari; Preamble is part of the Constitution, embodies basic structure but cannot override provisions.
    • S.R. Bommai Case (1994): Secularism upheld as basic feature of the Constitution.
    • LIC of India Case (1995): Reaffirmed Preamble as integral, but non-justiciable (not enforceable in court).
    [UPSC 2020] The Preamble to the Constitution of India is:

    Options: (a) a part of the Constitution but has no legal effect

    (b) not a part of the Constitution and has no legal effect either

    (c) part of the Constitution and has the same legal effect as any other part

    (d) a part of the Constitution but has no legal effect independently of other parts*

     

  • Registered Unrecognised Political Parties (RUPP)

    Why in the News?

    The Election Commission de-listed 474 Registered Unrecognised Political Parties (RUPP) for not contesting polls in six years, as part of its electoral clean-up drive.

    Delisting of Political Parties:

    • ECI’s Powers: Governed by Section 29A, RP Act, 1951.
      • No explicit power with ECI to de-register a party once registered, except for fraud or anti-Constitutional allegiance.
    • Judicial Interpretation:
      • INC vs Institute of Social Welfare (2002): SC ruled that ECI cannot de-register parties, only delist or declare inactive, which removes privileges but NOT their legal entity.

    About Registered Unrecognised Political Parties (RUPPs):

    • Constitutional Right: Right to form political associations is guaranteed under Article 19(1)(c).
    • Registration: RUPPs are political associations registered with the Election Commission of India (ECI) under Section 29A, Representation of the People Act, 1951.
    • Not recognised: As either State or National parties because they have not secured the required vote share or seats in past elections.
    • Privileges & Benefits:
      • Tax exemption under Section 13A, Income Tax Act, 1961.
      • Eligibility for common poll symbols during elections (under Symbols Order, 1968).
      • Can nominate up to 20 star campaigners.
    • Obligations:
      • Must contest elections periodically.
      • File annual audit accounts and contribution reports.
      • Disclose donations above ₹20,000.
      • Ensure no donations above ₹2,000 are taken in cash.
    • Issues: Many RUPPs exploit privileges without contesting elections, crowding out genuine contesting parties and confusing voters.

    What are Recognised Political Parties?

    • Types: Recognised parties are classified as National Parties or State Parties.
    • Privileges:
      • Exclusive reserved symbols.
      • Free copies of electoral rolls.
      • Broadcasting time on Doordarshan/All India Radio.
      • Consultation rights with ECI in election matters.
    • Recognition depends on vote share or seats won in Lok Sabha/Assembly elections.

    Conditions for Recognition:

    National Party State Party
    Secures 6% of valid votes in Lok Sabha/Assembly elections in any 4 or more states + wins 4 Lok Sabha seats. Secures 6% of valid votes in the state Assembly election + wins 2 Assembly seats.
    Wins 2% of Lok Sabha seats (currently 11 seats) from at least 3 states. Secures 6% of valid votes in the state’s Lok Sabha election + wins 1 Lok Sabha seat.
    Recognised as a State Party in 4 or more states. Wins 3% of Assembly seats or 3 seats (whichever is higher) in the state Assembly.
    Wins 1 Lok Sabha seat for every 25 seats allotted to that state.
    Secures 8% of total valid votes in the state’s Assembly or Lok Sabha election (added in 2011).

     

    [UPSC 2001] Consider the following statements regarding the political parties in India:

    1. The Representation of the People Act, 1951 provides for the registration of political parties.

    2. Registration of political parties is carried out by the Election Commission.

    3. A national level political party is one which is recognised in four or more States.

    4. During the 1999 general elections, there were six National and 48 State level parties recognised by the Election Commission.

    Options: (a) I, II and IV (b) I and III (c) II and IV (d) I, II, III and IV*

     

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