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GS Paper: GS3

  • Neurogenesis in the Human Brain

    Why in the News?

    A recent study (2025, Science) found young neurons in the adult brain, challenging the old belief that Neurogenesis (neurons formation) occur only in childhood.

    What is Neurogenesis?

    • Overview: Formation of new neurons from stem or progenitor cells.
    • Established in Animals: Well-known in mice, rats, and monkeys; also active during human childhood development.
    • Debate in Humans: Longstanding question if it continues in adulthood, especially in the hippocampus (brain’s memory and learning hub).
    • Hippocampal Role: The dentate gyrus is believed to sustain lifelong neurogenesis, helping in memory formation, flexibility, and stress control.

    Key findings of the Study:

    • Conducted by: Karolinska Institutet, Stockholm, published in Science (2025).
    • Study: Analysed 400,000 neurons from post-mortem hippocampus samples of people aged from infants (<1 year) to 78 years.
    • Methodology: Used single nuclei RNA sequencing with machine learning to detect signs of new cells.
    • Outcome: Validated with RNAscope and Xenium imaging, which confirmed the presence of neural stem cells, progenitors, and young neurons (neuroblasts) even in adolescent and adult brains.

    Why are the findings important?

    • Evidence in Adults: Strong proof that new neurons form in adult brains, not just in early years.
    • Evolutionary Insight: Suggests neurogenesis is a conserved feature across mammals, not unique to certain species.
    • Brain Functions: Explains memory flexibility, ability to overwrite memories, and resilience to stress.
    • Therapeutic Potential: Opens up scope for regenerative treatments in brain disorders like Alzheimer’s, Parkinson’s, and dementia by stimulating local progenitor cells.
    • Lifestyle Link: Implies that exercise, social connections, and stress levels could influence how much neurogenesis happens in individuals.
    [UPSC 2024] Which one of the following is synthesised in human body that dilates blood vessels and increases blood flow?

    Options: (a) Nitric oxide* (b) Nitrous oxide (c) Nitrogen dioxide (d) Nitrogen pentoxide

     

  • WHO’s Model List of Essential Medicines (EML)

    Why in the News?

    Semaglutide, a drug originally developed for type 2 diabetes but also highly effective for weight reduction has been added to the WHO’s Model List of Essential Medicines (EML).

    What is Semaglutide?

    • Overview: A GLP-1 receptor agonist drug developed for Type 2 Diabetes, also effective in weight reduction.
    • Mode of Action: Stimulates insulin secretion, lowers blood glucose, slows gastric emptying, and suppresses appetite.
    • Brand Names: Ozempic (diabetes), Wegovy (obesity/weight loss).
    • WHO Recognition (2025): Added to the 24th EML, highlighting its dual role in diabetes and obesity management.
    • Significance: Its inclusion pressures health systems to expand access and make it more affordable worldwide.
    • Relevance for India: With 100+ million diabetics (2nd highest globally) and a rising obesity burden, Semaglutide could be a public health game-changer if affordability improves.

    About WHO’s Model List of Essential Medicines (EML):

    • What is it: A global reference by WHO listing the most effective, safe, and essential medicines for priority healthcare needs.
    • History: First introduced in 1977 to improve access in developing countries; updated every 2 years by a WHO Expert Committee.
    • Structure:
      • Core list: Basic medicines usable with limited infrastructure.
      • Complementary list:  Need specialised training, facilities, or are costlier.
    • Global Impact: Over 150 countries use EML to build national lists for procurement, reimbursement, and universal health coverage (UHC).
    • Selection Criteria:
      • Public health relevance.
      • Proven efficacy and safety.
      • Cost-effectiveness compared to alternatives.
      • Quality, stability, and reliable formulations.
      • Preference for single-compound formulations unless combinations are better.
    [UPSC 2024] In which of the following are hydrogels used?

    1. Controlled drug delivery in patients 2. Mobile air-conditioning systems 3. Preparation of industrial lubricants

    Select the correct answer using the code given below:

    Options: (a) 1 only (b) 1 and 2 only (c) 2 and 3 only (d) 1, 2 and 3*

     

  • [8th September 2025] The Hindu Op-ed: A complex turn in India’s FDI story

    PYQ Relevance

    [UPSC 2016] Justify the need for FDI for the development of the Indian economy. Why there is gap between MOUs signed and actual FDIS? Suggest remedial steps to be taken for increasing actual FDIs in India.

    Linkage: The article highlights that although India records high gross inflows ($81 bn in FY 2024–25), massive repatriations and outward FDI reduce net retained capital, weakening industrial growth, directly reflecting the gap between headline FDI figures and actual developmental impact, just like the MOU–FDI gap in the question. Structural barriers such as regulatory opacity, policy unpredictability, and weak infrastructure explain why capital commitments don’t translate into long-term projects. The remedial steps suggested, simplified regulations, policy consistency, and infrastructure upgrades, align with the measures demanded in the UPSC 2016 question.

    Mentor’s Comment

    Foreign Direct Investment (FDI) has long been celebrated as one of the most powerful engines of India’s growth since the reforms of 1991. It brought in capital, technology, and global linkages. Yet, beneath the shining surface of record inflows lies a disquieting reality, unprecedented outflows, disinvestments, and a shift away from long-term industrial commitments. This article explores the nuanced challenges in India’s FDI ecosystem, the divergence between inflows and outflows, and the urgent need for reforms.

    Introduction

    FDI has been central to India’s growth story, particularly after liberalisation in 1991, modernising industries and integrating India into global markets. While e-commerce and IT saw transformative capital inflows, recent years mark a complex shift. Despite India recording $81 billion in gross FDI inflows in FY 2024–25, net retained capital fell drastically due to massive repatriations and rising outward investments by Indian firms. This has profound implications for industrial growth, job creation, and long-term economic resilience.

    Divergence Between Inflows and Outflows

    1. Gross inflows: $81 billion in FY 2024–25, up 13.7% from last year.
    2. Sharp withdrawals: Disinvestments surged by 51% in FY 2023–24 to $44.4 billion and further to $51.4 billion in FY 2024–25.
    3. Net retained capital: Fell to just $0.4 billion after accounting for outflows, a stark erosion of confidence.
    4. Investor behaviour shift: From long-term commitments to short-term tax arbitrage and profit-seeking.

    The Decline of Manufacturing in FDI Trends

    1. Declining share: Manufacturing’s share in FDI dropped to a mere 12% of total inflows.
    2. Short-term focus: Preference for rent-seeking sectors such as financial services, hospitality, and energy distribution.
    3. Weak multiplier effects: Unlike manufacturing or infrastructure, these sectors do not create broad-based industrial or technological growth.

    The Surge of Indian Capital Abroad

    1. Outward FDI: Rose from $13 billion in FY 2011–12 to $29.2 billion in FY 2024–25.
    2. Reasons cited: Regulatory inefficiencies, infrastructure gaps, and unpredictable policies.
    3. Destinations: Nearly half of outflows directed toward developed economies with stable tax regimes and strategic resources.

    Structural Barriers in India’s Investment Climate

    1. Regulatory opacity: Complex compliance requirements discourage investors.
    2. Legal unpredictability: Frequent policy shifts undermine confidence.
    3. Governance inconsistencies: Contrast between reforms on paper and actual execution.
    4. Dominance of tax havens: Mauritius and Singapore continue to account for bulk inflows, driven by treaty-based tax strategies.

    Why the Long Term Matters

    1. FDI as stability cushion: Supports balance of payments, currency stability, and external accounts.
    2. Declining net inflows: Curtails India’s monetary policy flexibility.
    3. RBI’s concern: Outflows align with global emerging market trends but pose systemic risks if unchecked.
    4. Need for committed capital: Advanced manufacturing, clean energy, and technology sectors require sustained inflows.

    What Needs to Be Done

    1. Simplify regulations: Reduce compliance burden and procedural delays.
    2. Ensure policy consistency: Long-term clarity to build investor trust.
    3. Upgrade infrastructure: Logistics, energy, and digital backbones to attract manufacturing FDI.
    4. Strengthen institutions: Predictable legal frameworks and efficient governance.
    5. Invest in human capital: Education and skilling to meet industry demands.

    Conclusion

    India’s FDI story is at a crossroads. Gross inflows remain high, but capital is no longer staying long enough to catalyse industrial growth. The rising tide of disinvestment by foreign firms and outward FDI by Indian companies reflects systemic inefficiencies, weak confidence, and policy unpredictability. If India aspires to be a global investment hub, reforms must focus on quality, durability, and alignment of capital with national developmental goals.

    Value Addition

    Official Definition of FDI

    • IMF/UNCTAD definition: A cross-border investment where a resident entity in one economy obtains a lasting interest and a significant degree of influence in the management of an enterprise in another economy.
    • India (RBI): “Investment by a person resident outside India in the capital of an Indian company under Schedule 1 of FEMA Regulations, 2000.”

    Foreign Direct Investment (FDI) Routes in India

    • Automatic Route: No prior approval required; investor only informs RBI after investment.
      • Examples: 100% FDI in e-commerce marketplace model, renewable energy, and computer software.
    • Government Route: Prior approval of the Government of India required.
      • Examples: FDI in multi-brand retail, defence beyond 74%, and print media.

    Regulation of FDI in India

    • Ministry of Commerce and Industry: Frames FDI policy, announced via Consolidated FDI Policy Circular.
    • Department for Promotion of Industry and Internal Trade (DPIIT): Nodal body for policy formulation and coordination.
    • RBI: Governs reporting, inflows, and compliance under FEMA, 1999.
    • Sectoral Regulators: Defence, Insurance, Banking, Telecom, etc. may impose additional conditions.

    Barriers to FDI in India

    • Regulatory opacity: Complex rules and compliance increase transaction costs.
    • Policy unpredictability: Frequent changes in taxation (e.g., retrospective tax) weaken investor trust.
    • Infrastructure gaps: Logistics bottlenecks, power shortages, and urban congestion raise costs.
    • Legal uncertainties: Contract enforcement and dispute resolution remain weak.
    • Governance challenges: Land acquisition, bureaucratic delays, and inconsistent state-level policies.

    Global Comparative Analysis

    • China: Strong manufacturing-centric FDI policies, large SEZs, predictable incentives, and world-class infrastructure helped it emerge as the world’s largest FDI recipient.
    • Vietnam: Stable policy frameworks, competitive labour costs, and integration into global supply chains (electronics, textiles) made it a hub for relocated investments.
    • Singapore & Mauritius: Dominant sources of FDI into India, largely due to tax treaty advantages rather than productive investment.
    • India: Despite being among the top FDI destinations (UNCTAD report), outflows and repatriations remain high, reflecting weak long-term retention.

  • The making of an ecological disaster in the Nicobar

    Introduction

    The Great Nicobar Island Project, with an estimated expenditure of ₹72,000 crore, has sparked unprecedented controversy. Instead of strengthening India’s ecological security and inclusive growth, the project threatens to uproot indigenous communities such as the Nicobarese and the Shompen, destroy one of the world’s richest biodiversity hotspots, and expose the island to severe natural disaster risks. By bypassing constitutional bodies, statutory protections, and scientific warnings, the project raises fundamental questions about governance, justice, and sustainability in India’s developmental trajectory.

    Uprooting Tribal Communities

    1. Nicobarese displacement: The project site overlaps with ancestral villages of the Nicobarese, already displaced once by the 2004 tsunami. Their hope of return will now be permanently extinguished.
    2. Shompen threat: The Shompen, classified as a Particularly Vulnerable Tribal Group (PVTG), face cultural and ecological extinction as their reserve land is denotified and forests destroyed.
    3. Violation of tribal safeguards: Article 338A mandates consultation with the National Commission for Scheduled Tribes, which was bypassed. The Tribal Council’s objections were ignored after being “rushed” into signing a no-objection letter, later revoked.

    Mockery of Legal and Regulatory Safeguards

    1. Social Impact Assessment failure: The 2013 Act on Land Acquisition and Rehabilitation excluded Nicobarese and Shompen from consideration, denying them stakeholder status.
    2. Forest Rights Act ignored: The Shompen’s authority to regulate and protect forests was bypassed.
    3. Constitutional neglect: Bodies like NCST and local tribal councils were side-lined, undermining democratic accountability.

    The Farce of Compensatory Afforestation

    1. Massive tree felling: The Ministry projects 8.5 lakh trees may be cut, but independent estimates put the figure between 32–58 lakh.
    2. Afforestation mismatch: Compensatory afforestation is planned in Haryana, thousands of kilometres away, with a completely different ecology.
    3. Mining contradiction: A quarter of this afforestation land has been auctioned for mining, nullifying the mitigation strategy.
    4. CRZ violation: Port site falls under CRZ 1A, which prohibits construction due to turtle nesting sites and coral reefs.

    Ecological and Wildlife Concerns

    1. Nicobar long-tailed macaque: Primatologists’ warnings on its survival risks were ignored.
    2. Sea turtle nesting mis-assessed: Surveys were conducted off-season, compromising accuracy.
    3. Dugong impact underestimated: Drone-based surveys only covered shallow waters.
    4. Biased assessments: Reports were allegedly conducted under duress, undermining credibility.

    A Disaster-Prone Location

    1. Tsunami precedent: In 2004, the island subsided by 15 feet.
    2. Seismic zone risk: A 6.2 magnitude earthquake in July 2025 reinforced its vulnerability.
    3. Jeopardising investment: Infrastructure and lives face catastrophic risk from earthquakes and tsunamis.

    Conclusion

    The Great Nicobar Project symbolizes an ecological and humanitarian misadventure where short-term ambitions eclipse constitutional morality, environmental prudence, and tribal justice. The survival of the Nicobarese and Shompen, along with an irreplaceable ecosystem, hangs in the balance. True development must integrate ecological sustainability and social justice rather than sacrifice them at the altar of misplaced mega-infrastructure.

    Value Addition

    Way Forward

    • Inclusive Development with Tribal Consent
      • Ensure free, prior, and informed consent of Nicobarese and Shompen communities in line with the Niyamgiri judgment (2013).
      • Empower tribal councils in decision-making as mandated by the Forest Rights Act (2006).
    • Strengthening Legal and Institutional Safeguards
      • Consult the National Commission for Scheduled Tribes (NCST) and respect constitutional provisions under Article 338A.
      • Strengthen Social Impact Assessments with participation of affected communities.
    • Rethinking Compensatory Afforestation
      • Undertake afforestation within island ecosystems, not in distant states like Haryana.
      • Promote ecosystem restoration rather than mere plantation drives.
    • Ecologically Sensitive Area Protection
      • Enforce CRZ 1A norms protecting turtle nesting sites, coral reefs, and coastal biodiversity.
      • Recognise Great Nicobar as an Ecologically Sensitive Zone (ESZ) under Environment Protection Act.
    • Disaster-Resilient Planning
      • Recognise that Great Nicobar lies in Seismic Zone V and redesign infrastructure accordingly.
      • Adopt a low-impact development model suited for fragile ecosystems (eco-tourism, research hubs, small-scale renewable energy).
    • Alternative Growth Models
      • Focus on sustainable livelihoods for locals (fisheries, forest produce, heritage tourism).
      • Leverage the island’s location for strategic security through minimal-impact naval installations, avoiding large-scale civilian displacement.

    PYQ Relevance

    [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: The Great Nicobar Project directly links to this PYQ as it illustrates how climate change impacts combine with ill-planned development to heighten risks. Rising sea levels and intensifying cyclones threaten India’s coastal states, while Great Nicobar, lying in a seismically active and tsunami-prone zone, showcases the compounded vulnerability of fragile ecosystems and communities. Thus, it exemplifies how coastal regions face existential risks when climate change interacts with unsustainable projects.

  • ‘Blood Moon’ and Lunar Eclipse

    Why in the News?

    Viewers across Asia, Australia, and parts of Africa witnessed a Blood Moon on 8th September, a spectacular form of total lunar eclipse visible.

    About Lunar Eclipse:

    • Overview: Happens when Earth comes between Sun and Moon, blocking sunlight from reaching the Moon.
    • Earth’s Shadow:
      • Umbra: Dark central shadow, causes total or partial eclipses.
      • Penumbra: Outer shadow, causes faint dimming.
    • Types:
      1. Total Eclipse: Moon passes fully through umbra.
      2. Partial Eclipse: Only part of Moon enters umbra.
      3. Penumbral Eclipse: Moon passes through penumbra with subtle darkening.
    • Frequency: Occurs 2–4 times per year, visible from different regions.

    Why lunar eclipse don’t occur every month?

    : Lunar eclipses don’t happen every month because the Moon’s orbit around the Earth is tilted by about 5 degrees relative to the Earth’s orbit around the Sun. This tilt, known as orbital inclination, means that during a full Moon, the Moon often passes above or below Earth’s shadow, preventing a perfect alignment required for an eclipse. Eclipses only occur when the alignment is precise, allowing the Sun, Earth, and Moon to line up in a straight line.

    What is Blood Moon?

    • Meaning: Refers to the reddish glow of the Moon during a total lunar eclipse.
    • Cause: Rayleigh scattering in Earth’s atmosphere.
      • Short wavelengths (blue, violet) scatter away.
      • Longer wavelengths (red, orange) bend around Earth and light the Moon.
    • Colour Intensity:
      • Presence of dust, aerosols, volcanic ash deepens the red shade.
      • Cleaner atmosphere produces a lighter red or orange.
    • Historical Insight: Medieval records of Blood Moons helped identify volcanic eruptions between 1100–1300 CE, confirmed by a 2023 University of Geneva study.

    Significance:

    • Scientific: Acts as a natural indicator of atmospheric composition, dust, and pollution; helps model planetary atmospheres.
    • Historical/Environmental: Provides evidence of past volcanic events and climate conditions.
    • Cultural: Linked to myths and superstitions, though harmless scientifically.
    • Public Engagement: Widely followed celestial event that aids astronomy outreach and awareness.
    [UPSC 2019] On 21st June, the Sun

    Options: (a) does not set below the horizon at the Arctic Circle*

    (b) does not set below the horizon at Antarctic Circle

    (c) shines vertically overhead at noon on the Equator

    (d) shines vertically overhead at the Tropic of Capricorn

     

  • New Horizons and Stellar Parallax Navigation

    Why in the News?

    A recent study has showcased that spacecrafts can locate themselves using a simple stellar parallax method with just two nearby stars, without relying on Earth.

    New Horizons and Stellar Parallax Navigation

    What is Stellar Parallax?

    • Overview: Stellar parallax is the apparent shift in a star’s position against background stars when observed from two different vantage points.
    • Example: On Earth, this is measured every 6 months as the planet moves to opposite sides of its orbit.
    • Parallax Angle: The degree of this shift gives the star’s distance. Larger parallax means the star is closer.
    • Application in Space: By observing stars from both Earth and a spacecraft (billions of km apart), the relative positions can be compared to calculate the spacecraft’s distance.

    About the New Horizons Demonstration:

    • Spacecraft: Launched in 2006, New Horizons explored Pluto (2015) and is now beyond 60 AU (astronomical units).
    • Observation: On April 23, 2020, astronomers measured parallaxes of Proxima Centauri (4.2 light years) and Wolf 359 (7.9 light years) using Earth-based telescopes and New Horizons’ onboard instruments.
    • Results:
      • Proxima’s parallax: 32.4 arcseconds
      • Wolf 359’s parallax: 15.7 arcseconds
      • Derived spacecraft position: 46.89 AU, matching DSN’s 47.11 AU reading.
    • Requirements: Only a camera, onboard computer, and stellar catalogue — no special equipment needed.

    Significance:

    • Self-sufficient Navigation: Enables spacecraft to calculate their position without depending solely on Earth-based radio signals.
    • For Future Missions: Particularly useful for interstellar missions, where Earth’s beacons won’t be practical.
    • Simplicity: Unlike more complex astrometric navigation or pulsar navigation, this method is accessible with minimal hardware.
    • Educational Value: Though not precise enough yet for real-time navigation, it is a proof of concept for deep-space autonomy.
    [UPSC 2012] A person stood alone in a desert on a dark night and wanted to reach his village which was situated 5 km east of the point where he was standing. He had no instruments to find the direction, but he located the polestar. The most convenient way now to reach his village is to walk in the:

    Options: (a) direction facing the polestar

    (b) direction opposite to the polestar

    (c) direction keeping the polestar to his left *

    (d) direction keeping the polestar to his right

     

  • RNA–Amino Acid Link clues to Origin of Life

    Why in the News?

    A recent study published in the Nature suggests that simple molecules called aminoacyl-thiols may have helped amino acids stick to RNA (ribonucleic acid) without enzymes, giving clues to how protein-making began on early Earth.

    About the RNA–Amino Acid Link:

    • Discovery: Study showed that aminoacyl-thiols (simple prebiotic molecules) can attach amino acids to RNA directly (aminoacylation) without enzymes.
    • Modern Parallel: In cells today, this is done by aminoacyl-tRNA synthetases before ribosomes build proteins. This created the “chicken-and-egg problem”: proteins are needed to make proteins.
    • Chemical Mechanism:
      • Thioesters: Enable amino acids to attach to RNA (“charging RNA”).
      • Thioacids: Enable amino acids to link into peptides.
    • Robustness: Works at neutral pH, across many amino acids, with unexpected selectivity for RNA despite other molecules being more reactive.

    Significance for Origin of Life:

    • RNA World Hypothesis: Supports the idea that RNA and amino acids interacted directly before enzymes evolved.
    • Chemical Advantage: Shows RNA had a natural edge in early Earth conditions, explaining its central role in life’s origin.
    • Prebiotic Plausibility: Aminoacyl-thiols could form from simple nitriles and thiols, and reactions occurred even in cold/frozen pools resembling early Earth.
    • Evolutionary Pathway: Suggests life began with short peptides, with RNA later evolving control, leading to coded protein synthesis and ribosomes.
    [UPSC 2022] Consider the following statements : DNA Barcoding can be a tool to:

    1. assess the age of a plant or animal.

    2. distinguish among species that look alike.

    3. identify undesirable animal or plant materials in processed foods.

    Which of the statements given above is/are correct ?

    Options: (a) 1 only (b) 3 only (c) 1 and 2 (d) 2 and 3*

     

  • Why Punjab keeps flooding

    Introduction

    Punjab, often called the “food bowl of India,” is paradoxically one of the most flood-prone states in the country. Drained by three perennial rivers, the Ravi, Beas, and Sutlej, along with seasonal tributaries and hill streams, Punjab has historically thrived on its fertile floodplains. Yet, the very rivers that make its land abundant also bring recurring devastation. The 2025 floods, among the worst in recent memory, have once again underlined the dual challenge of geography and governance. With 3.8 lakh people affected, 11.7 lakh hectares of farmland destroyed, and 43 lives lost, the floods highlight not just natural vulnerability but also systemic mismanagement.

    Why Punjab’s Floods Are Back in the Spotlight

    Punjab is currently experiencing one of the most destructive floods in decades, with unprecedented rainfall in Himachal Pradesh, J&K, and Punjab itself swelling rivers beyond capacity. What makes this year’s floods significant is the scale: all 23 districts have been declared flood-hit, and the breach of Madhopur barrage gates has worsened devastation. While heavy rains are not new, institutional failures, especially in dam management by the Bhakra Beas Management Board (BBMB), and delayed warnings have amplified the crisis, making the situation worse than previous floods of 1955, 1988, 1993, 2019, and 2023.

    Rivers as Both Boon and Bane

    1. Three perennial rivers – Ravi, Beas, and Sutlej traverse Punjab, carrying immense alluvium and making the state highly fertile.
    2. Seasonal rivers and choes – Rivers like Ghaggar and hill streams add to Punjab’s complex hydrology.
    3. Agricultural abundance – Punjab produces nearly 20% of India’s wheat and 12% of its rice, despite occupying only 1.5% of landmass.
    4. Recurring floods – Heavy monsoons, particularly in upstream catchments (Himachal and J&K), frequently overwhelm dhussi bundhs (earthen embankments), as seen in 1955, 1988, 1993, 2019, 2023, and now 2025.

    Why Do Dams Intensify Flooding

    1. Upstream dams – Bhakra (Sutlej), Pong (Beas), and Thein/Ranjit Sagar (Ravi) play a central role in regulating river flow.
    2. Rule curve dilemma – The BBMB maintains high reservoir levels in July–August for irrigation and power, leaving little cushion for sudden heavy inflows.
    3. Sudden releases – Emergency releases during extreme rainfall cause flash floods downstream, as seen with Pong dam’s unprecedented 20% higher inflows than 2023.
    4. Governance issue – Punjab feels marginalized in BBMB decisions, especially after 2022 rule changes allowing all-India officers to head the Board.

    Human Factors Worsening the Crisis

    1. Barrage failures – On August 26, two gates of the Madhopur barrage collapsed after Thein dam releases, flooding Pathankot, Gurdaspur, and Amritsar.
    2. Weak embankments – Illegal mining has eroded dhussi bundhs, reducing their ability to withstand pressure.
    3. Poor coordination – Lack of communication between upstream and downstream departments delayed gate operations.
    4. Neglected desilting – Experts estimate that ₹4,000–5,000 crore investment in desilting and embankment strengthening could prevent far greater losses.

    Larger Governance Failures

    1. BBMB’s narrow mandate – Prioritizes irrigation and power, neglecting flood management.
    2. Delayed warnings – Punjab officials allege sudden releases with little time for evacuation.
    3. Political tensions – Punjab’s Water Resources Minister accused the Centre of ignoring Punjab’s plight.
    4. Environmentalists’ view – Experts stress that flood cushions, transparent decision-making, and scientific dam operations are essential to prevent repeated tragedies.

    Conclusion

    Punjab’s floods are not just a story of heavy rain but of fragile governance structures. Nature may trigger floods, but poor dam management, illegal mining, weak embankments, and lack of timely communication convert them into disasters. Strengthening embankments, enforcing transparent dam operations, and giving Punjab a greater role in BBMB are urgent needs. Unless governance catches up with geography, Punjab will continue to oscillate between abundance and devastation.

    UPSC Relevance

    [UPSC 2024] Flooding in urban areas is an emerging climate-induced disaster. Discuss the causes of this disaster. Mention the features of two such major floods in the last two decades in India. Describe the policies and frameworks in India that aim at tackling such floods.

    Linkage: The Punjab floods of 2025 mirror the challenges of urban floods like Mumbai (2005) and Chennai (2015), where extreme rainfall combined with poor drainage, unplanned construction, and dam mismanagement turned heavy rain into catastrophe. Frameworks like the Disaster Management Act, 2005, the Sendai Framework (2015–30), and National Disaster Management Plan (2019) provide guiding structures, yet governance lapses and weak local preparedness continue to make both rural and urban areas equally vulnerable to flooding.

  • A new leaf- environmental compliance needs to be monitored at all levels

    Introduction

    India’s environmental regulation has long suffered from weak enforcement due to manpower and capacity deficits. The Environment Audit Rules, 2025 seek to fix this by authorising private accredited auditors to monitor compliance, ensuring industries and companies adhere to environmental norms and emerging frameworks like carbon accounting and green credits.

    Why in the News

    The rules are significant because, for the first time, private agencies have been formally allowed to audit environmental compliance, a task previously limited to statutory boards. This shift addresses the chronic resource crunch in pollution control authorities and ties compliance to future-ready mechanisms such as the Green Credit Rules.

    The Expanding Framework of Environmental Monitoring

    1. Current institutional structure: Supported by the Central Pollution Control Board (CPCB), the Regional Offices of the Ministry of Environment, Forest and Climate Change (MoEFCC), and the State Pollution Control Boards (SPCBs)/Pollution Control Committees (PCCs).
    2. Persistent limitations: Severe shortage of manpower, resources, capacity, and infrastructure has hampered effective monitoring.
    3. Press statement: The Ministry itself acknowledged that these deficits weaken enforcement across “the vast number of projects and industries operating nationwide.”

    The Role of Private Environmental Auditors

    1. Accreditation system: Private agencies can now get licensed as environmental auditors.
    2. Comparable to Chartered Accountants: Much like financial auditors, they will assess compliance with environmental laws and best practices in pollution abatement.
    3. Wider application: Their audits will also be relevant for emerging frameworks such as the Green Credit Rules.

    Integrating Green Credit and Carbon Accounting

    1. Green Credit Rules: Individuals and organisations can earn tradeable credits for activities such as afforestation, water conservation, and waste management.
    2. Corporate responsibility: Companies must now account for direct and indirect carbon emissions, requiring sophisticated auditing frameworks.
    3. Gap in state capacity: SPCBs are not equipped to handle complex emission accounting, hence the shift towards specialised auditors.

    Risks of Diluting Core Responsibilities

    1. Neglect at the grassroots: Environmental violations are often most blatant at district, block, and panchayat levels.
    2. Lack of trained staff: Local monitoring agencies remain understaffed and undertrained, allowing many violations to go unchecked.
    3. Need for empowerment: Any new regime must strengthen, not sideline, grassroots institutions.

    Future of Environmental Regulation in India

    1. Beyond policing: Environmental regulation is no longer about enforcement alone but about aligning with global climate goals.
    2. Preparing for the future: Systems must adapt to integrate climate accounting, sustainability audits, and market-based mechanisms like credits.
    3. Balancing act: New reforms must bridge manpower deficits without undermining accountability.

    Conclusion

    The Environment Audit Rules, 2025 represent a decisive shift in India’s environmental governance by institutionalising private auditing in compliance monitoring. While this can bridge long-standing deficits in manpower and expertise, the real test lies in ensuring grassroots empowerment and preventing dilution of State responsibility. Environmental protection cannot be outsourced entirely; instead, it must evolve into a multi-stakeholder responsibility that balances accountability, innovation, and inclusivity.

    PYQ Relevance

    [UPSC 2013]: Enumerate the National Water Policy of India. Taking river Ganges as an example, discuss the strategies which may be adopted for river water pollution control and management. What are the legal provisions for management and handling of hazardous wastes in India?

    Linkage: The UPSC 2013 question on National Water Policy, Ganga pollution control, and hazardous waste laws links well with the Environment Audit Rules, 2025, as both highlight the gap between legal provisions and effective enforcement. The new rules strengthen monitoring by accrediting private auditors, addressing the chronic manpower deficits that plagued river pollution and waste management efforts. They represent an evolution from mere policy frameworks to robust compliance mechanisms.

  • Technology Perspective and Capability Roadmap (TPCR-2025)

    Why in the News?

    The Ministry of Defence has released the Technology Perspective and Capability Roadmap 2025 (TPCR-2025), a 15-year blueprint for military preparedness and modernization.

    About Technology Perspective and Capability Roadmap (TPCR-2025):

    • Overview: A strategic modernization blueprint released by the Ministry of Defence to guide India’s Armed Forces for the next 10–15 years.
    • Scope: Covers tri-services for multi-domain operations across land, sea, air, cyber, and space.
    • Industry Role: Provides clear requirements to defence industry, MSMEs, and start-ups to focus R&D, manufacturing, and innovation.
    • Policy Alignment: Linked to Atmanirbhar Bharat, reducing import dependence and strengthening indigenous production.
    • Objective: Ensure forces remain technologically competitive, prepared for emerging threats, and resilient in a dynamic security environment.

    Key Features of TPCR-2025:

    • Nuclear & CBRN Preparedness: Strengthening nuclear command systems, survivability infrastructure, radiation detection, decontamination units, unmanned CBRN (Chemical, Biological, Radiological, and Nuclear) vehicles.
    • Drones & Unmanned Systems: Development of stealth drones (range 1,500 km, altitude 60,000 ft), AI-enabled loitering munitions, anti-drone EW bubbles.
    • Electronic & Cyber Warfare: Deployment of advanced jammers, EW payloads, info-dominance systems, and readiness for cyber and space warfare.
    • Service Modernization:
      • Army: New tanks, light tanks, UAV-launched PGMs, electromagnetic weapons.
      • Navy: New destroyers, corvettes, mine vessels, nuclear-powered warships, third aircraft carrier.
      • Air Force: Stratospheric airships, long-range cruise missiles, hardened PGMs.
    • Implementation: Regular industry–services consultations, engagement with MSMEs and start-ups, periodic updates.

    Significance:

    • Serves as a capability roadmap for long-term defence planning.
    • Strengthens domestic defence ecosystem.
    • Ensures future combat readiness in multi-domain operations.
    [UPSC 2020] In India, why are some nuclear reactors kept under “IAEA safeguards” while others are not?

    Options: (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 enterprises

    (d) Some are State-owned and others are privately owned *