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GS 3 · Practice archive

GS Paper 3 practice questions for UPSC Mains 2026.

Economy, Environment, Science and Technology, Internal Security, Disaster Management.

20 Qs / 250 marks439 questionsModel outlines included

GS Paper 3 · Tips & tricks

GS-3 — data first, then policy, then a concrete way forward

Open with a number.GDP share, FDI inflow, emissions intensity, forest cover %, fiscal deficit — the right number in the first sentence does the work of a paragraph.
Cite the latest report by name.Economic Survey, RBI Financial Stability Report, NITI Aayog SDG India Index, ISRO mission timeline — examiners can verify, so accuracy is checked.
Use a flowchart for processes.Disaster cycle, ML pipeline, food-processing value chain, cybersecurity kill chain — a small labelled diagram beats prose.
Distinguish stock from flow.Forex reserves vs trade balance, debt stock vs deficit, capacity installed vs energy generated. Mixing them up costs marks.
Way forward must be specific.Not "the government should take steps" — name the ministry, the scheme name, the budget head, the timeline.

Q.110 marks · 150w 9 min Hard

Kessler Syndrome and rising orbital congestion threaten the long-term sustainability of low Earth orbit. Discuss India’s contribution to space debris and the role of Project NETRA.

Subtopic: Sci-Tech · Space and IPR

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Introduction: ESA Space Debris Office (Annual Report 2024) tracks ~40,500 objects larger than 10 cm in Earth orbit; ISRO target of debris-free Indian missions by 2030 announced in 2024.

Body: 1) Indian debris share — PSLV-C37 upper stage and Mission Shakti 2019 ASAT debris; ISRO's IS4OM tracks 28,000+ objects. 2) Project NETRA — Bengaluru-based space situational awareness facility. 3) International framework — UN COPUOS LTS guidelines, Outer Space Treaty 1967.

Way forward: Active debris-removal demonstration mission; legally binding global ASAT moratorium; expand NETRA to deep-space tracking.

Key points

~40,500 objects >10 cm in orbit (ESA 2024)
ISRO debris-free missions target by 2030
Project NETRA inaugurated 2022 (ISRO)
IS4OM tracks 28,000+ objects
Mission Shakti ASAT 27 March 2019
UN COPUOS Long-Term Sustainability Guidelines 2019

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Q.210 marks · 150w 9 min Hard

Nuclear energy is often called ‘clean energy,’ but this label applies only to reactor operation and not to the full lifecycle from uranium mining to radioactive waste disposal. Critically examine India’s ecological readiness to manage this full lifecycle as it scales nuclear capacity to 100 GW by 2047 under the SHANTI Act, 2025.

Subtopic: Environment and Disaster Management

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Introduction → Huge lifecycle of the radioactive waste for → Huge chances of groundwater contamination if → Lack of Deep Geological Repository (DGR) for → Coastal nuclear plants such as Kudankulam → Limited transparency and public → Conclusion

Key points

Huge lifecycle of the radioactive waste for example, Plutonium-239 remains radioactive for about 24000 years
Huge chances of groundwater contamination if not properly managed, for eg, groundwater contamination and biodiversity loss near Jaduguda mines
Lack of Deep Geological Repository (DGR) for permanent disposal of high-level radioactive waste
Coastal nuclear plants such as Kudankulam and Jaitapur face growing risks from sea-level rise, cyclones and thermal pollution
Limited transparency and public participation continue to affect environmental confidence
Three-stage nuclear programme and closed fuel cycle minimise highlevel waste
Institutions such as AERB, NPCIL and stringent EIA procedures provide an established regulatory framework

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Q.310 marks · 150w 9 min Hard

India’s EV policy has evolved from FAME-I through FAME-II to PM E-DRIVE (2024). Examine how each successive scheme has shifted focus, and whether India’s current policy architecture is adequate to achieve 30% EV penetration by 2030.

Subtopic: Environment and Disaster Management

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Introduction → Evolution of India's EV Policy → Scheme → Shift in Policy Focus → FAME-I → PM E → Conclusion

Key points

Over 90% of EV sales are two- and three-wheelers, while passenger cars and freight vehicles remain under-electrified
India remains heavily dependent on imports of lithium, cobalt and nickel
Charging infrastructure is concentrated in metropolitan cities, leaving Tier-II, Tier-III and rural areas underserved
End-of-life battery collection and recycling infrastructure is still nascent despite the Battery Waste Management Rules, 2022
Differences in state EV policies create uneven investment and adoption
Concerns over battery safety, resale value and charging time persist

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Q.410 marks · 150w 9 min Hard

Mangrove restoration in India has gained policy momentum through the MISHTI scheme, but plantation-based approaches may not replicate the ecological value of natural mangroves. Critically examine.

Subtopic: Environment and Disaster Management

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Introduction → Significance → Limitations of Plantation-based Approach → Conclusion

Key points

Climate mitigation: Mangroves are among the most efficient blue carbon ecosystems, storing 3–5 times more carbon than tropical forests (IUCN)
Disaster resilience: Natural barriers against cyclones, storm surges and coastal erosion
Livelihoods: Support fisheries, ecotourism and coastal communities
Biodiversity conservation: Critical habitat for fish, crustaceans and migratory birds
Fails to restore ecosystem complexity: Artificial plantations cannot recreate the biodiversity, hydrology and food webs of natural mangroves
Reduced resilience: Preference for fast-growing species reduces ecological resilience
Poor site selection: Plantations in unsuitable mudflats or salt marshes may damage local ecosystems

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Q.510 marks · 150w 9 min Hard

CBDR-RC is not merely a principle of emission responsibility — it is equally a principle of financial and technological obligation. Examine the extent to which developed countries have fulfilled their CBDR-RC obligations on climate finance and technology transfer, and the implications of this failure for developing countries.

Subtopic: Environment and Disaster Management

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Introduction → Extent of Fulfilment of CBDR-RC Obligations → Technology Transfer – limited Progress → Conclusion

Key points

Climate Finance – largely Inadequate
NCQG (COP29): Agreed floor of USD 300 billion/year by 2035, far below the USD 1.3 trillion/year demanded by developing countries
Technology Mechanism (TEC & CTCN) has facilitated cooperation but has not enabled large-scale affordable access to critical green technologies due to the
Implications for Developing Countries

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Q.610 marks · 150w 9 min Hard

India’s revised Seismic Zonation Map (BIS, 2025) introduces a new Zone VI covering the entire Himalayan arc for the first time. Examine the significance of this revision and its implications for infrastructure planning and disaster governance.

Subtopic: Environment and Disaster Management

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Introduction → New Version → Significance → Implications for Infrastructure Planning → Implications for Disaster Governance → Conclusion

Key points

It recognises the faulted segments capable of 8+ magnitude events which alligns India with global standards
It safeguards critical border infrastructure in strategic places like Ladakh, Uttarakhand and Arunachal
It also provides a uniform basis for risk-informed planning across Himalayan region
Retrofitting burden: Schools, hospitals, hydropower dams (e.g., Tehri, Teesta basin) require seismic strengthening
Revamping of Building codes: New construction in hill towns must adopt stricter, site-specific design
Land-use planning: Curbs on unplanned urban sprawl in ecologically fragile, high-risk zones
Institutional coordination: Greater NDMA–state–municipal convergence needed for enforcement

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Q.710 marks · 150w 9 min Hard

Heat waves in are becoming more frequent, intense, and geographically widespread. Examine the gaps in India’s heat governance.

Subtopic: Environment and Disaster Management

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Introduction → Fragmented institutional framework → Reactive approach → Inadequate protection of vulnerable groups → Weak local capacity and data integration → Conclusion

Key points

Fragmented institutional framework: Heat is still not a notified national disaster, restricting SDRF access
Reactive approach: Plans overwhelmingly fund short-term relief — drinking water, ORS, cooling centres — while long-term measures like urban greening, cool
Inadequate protection of vulnerable groups like Informal workers, farmers, construction labourers and the urban poor
Weak local capacity and data integration: Many districts lack cityspecific heat risk mapping, early warning dissemination and convergence between IMD

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Q.810 marks · 200w 14 min Hard

What were the reasons for the introduction of Fiscal Responsibility and Budget Management (FRBM) Act, 2003? Discuss critically its salient features and their effectiveness.

Subtopic: Indian Economy · Fiscal policy and public finance

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Introduction: context of fiscal profligacy → reasons for FRBM Act → salient features → critical assessment of effectiveness → reforms (N.K. Singh Committee) → Conclusion

Key points

Reasons: chronic fiscal/revenue deficits, rising debt, high interest burden crowding out development
Objective: institutionalise fiscal discipline and inter-generational equity
Feature: statutory targets to cut fiscal deficit and eliminate revenue deficit
Feature: mandatory fiscal policy statements to Parliament for transparency
Feature: curb on RBI financing of deficit; escape clause for emergencies
Effectiveness mixed: helped consolidation to 2008 but targets repeatedly deferred and off-budget borrowing rose
N.K. Singh Committee (2017) proposed debt-to-GDP anchor (60%) and flexible path

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Q.910 marks · 200w 14 min Hard

Food Security Bill is expected to eliminate hunger and malnutrition in India. Critically discuss various apprehensions in its effective implementation along with the concerns it has generated in WTO.

Subtopic: Agriculture & Food Security · Food subsidy and global trade rules

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Introduction: intent of the Food Security Bill → apprehensions in implementation → WTO concerns → balanced assessment → Conclusion

Key points

National Food Security Act 2013 gives rights-based subsidised grain to ~two-thirds of population via PDS
Implementation fears: PDS leakage, wrong identification, exclusion/inclusion errors
Fiscal and procurement burden plus inadequate storage and logistics
Cereal-centric basket leaves protein/micronutrient malnutrition unaddressed
WTO concern: MSP-based stockholding may breach 10% de minimis on Amber Box support
Bali 2013 Peace Clause protects the programme pending a permanent solution
Way forward: PDS computerisation, DBT, storage upgrade, dietary diversification

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Q.1010 marks · 200w 14 min Hard

Bringing out the circumstances in 2005 which forced amendment to the section 3(d) in Indian Patent Law, 1970, discuss how it has been utilized by the Supreme Court in its judgement in rejecting Novartis’ patent application for ‘Glivec’. Discuss briefly the pros and cons of the decision.

Subtopic: Science & Technology · Section 3(d), patents and the Novartis Glivec case

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Introduction (2005 patent amendment and TRIPS compliance) → circumstances forcing Section 3(d) → the Novartis / Glivec judgement → pros and cons of the decision → Conclusion

Key points

TRIPS obliged India to introduce pharmaceutical product patents (from process-only under the 1970 Act) by 2005.
To prevent 'evergreening' and protect generic access, the Patents (Amendment) Act, 2005 inserted Section 3(d).
Section 3(d): a new form of a known substance is not patentable unless it demonstrates enhanced therapeutic efficacy.
Novartis AG v. Union of India (2013): SC upheld rejection of the patent on the beta-crystalline form of imatinib mesylate (Glivec).
Pro: safeguarded affordable generic cancer drugs, public health and the right to health under Article 21.
Pro: curbed evergreening; reinforced India as the 'pharmacy of the developing world'.
Con: innovators argued it deters incremental innovation and weakens R&D investment and the IP environment; balanced via TRIPS flexibilities and the Doha Declaration.

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Q.1110 marks · 200w 14 min Hard

Cyber warfare is considered by some defense analysts to be a larger threat than even Al Qaeda or terrorism. What do you understand by Cyber warfare? Outline the cyber threats which India is vulnerable to and bring out the state of the country’s preparedness to deal with the same.

Subtopic: Internal Security · Cyber warfare and critical infrastructure

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Introduction: define cyber warfare → threats India is vulnerable to → India's preparedness → gaps → way forward → Conclusion

Key points

Cyber warfare = state/state-sponsored digital attacks on another nation's critical systems
Low-cost, deniable, borderless nature makes it a potent asymmetric threat
Threats: attacks on power grid, banking, telecom, defence; espionage; ransomware
Institutions: CERT-In, NCIIPC, Defence Cyber Agency, National Cyber Security Coordinator
Policy/legal: National Cyber Security Policy 2013, IT Act 2000
Gaps: skill shortage, import dependence, fragmented coordination, outdated strategy
Way forward: updated strategy, active cyber defence, indigenous R&D, global cooperation

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Q.1210 marks · 200w 14 min Hard

Article 244 of the Indian Constitution relates to administration of scheduled areas and tribal areas. Analyse the impact of non-implementation of the provisions of the Fifth schedule on the growth of Left Wing extremism.

Subtopic: Internal Security · Left-wing extremism and tribal governance

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Introduction: Article 244 and Fifth Schedule → provisions and their intent → link between non-implementation and LWE → analysis of causal chain → corrective steps → Conclusion

Key points

Article 244 + Fifth Schedule governs administration of Scheduled Areas and Scheduled Tribes
Provisions: Governor's regulations, Tribes Advisory Council, land and self-governance protection
PESA 1996 extends Panchayat/Gram Sabha powers to Scheduled Areas
Non-implementation caused land alienation, displacement and governance vacuum
Overlap of Scheduled Areas with the LWE corridor shows link with development failure
Denial of forest and land rights fuelled tribal grievances exploited by Maoists
Remedy: enforce PESA and Forest Rights Act 2006, fair rehabilitation, empower Gram Sabhas

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Q.1310 marks · 200w 14 min Hard

How far are India’s internal security challenges linked with border management particularly in view of the long porous borders with most countries of South Asia and Myanmar?

Subtopic: Internal Security · Border management

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Introduction: internal security-border nexus → nature of India's borders → specific challenges from porous borders → institutional/management gaps → reforms → Conclusion

Key points

Internal security is linked to border management as porous frontiers channel external threats inward
Western border: infiltration and cross-border terrorism into J&K
Bangladesh border: illegal migration causing demographic and social stress in North-East
Myanmar border and Free Movement Regime enabled insurgent safe havens
Trafficking of arms, drugs, fake currency and humans finances militancy
Challenges: difficult terrain, riverine/unfenced stretches, multiple guarding forces
Reforms: CIBMS smart borders, fencing, intelligence sharing, border-area development, diplomacy

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Q.1410 marks · 150w 9 min Hard

Examine the pattern and trend of public expenditure on social services in the post-reforms period in India. To what extent this has been in consonance with achieving the objective of inclusive growth?

Subtopic: Indian Economy · Public Expenditure & Inclusive Growth

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Introduction → define social-sector spending & inclusive growth → post-1991 pattern and trend → gains for inclusion → gaps and shortfalls → assessment → Conclusion

Key points

Social services = education, health, water/sanitation, housing, social security; core instruments of inclusion.
Post-1991 initial compression under fiscal adjustment, followed by recovery to roughly 7-8% of GDP combined.
Rights-based laws (RTE, NFSA, MGNREGA) and NHM structurally raised social outlays.
DBT and JAM trinity improved targeting and reduced leakages.
Public health spending still below the 2.5% of GDP goal of National Health Policy 2017.
Wide inter-state and rural-urban disparities dilute the inclusion impact.
Outcomes lag outlays due to quality gaps and jobless growth.

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Q.1510 marks · 150w 9 min Hard

Agricultural Produce Market Committees (APMCs) have outlived their original objectives. Critically examine.

Subtopic: Agricultural marketing and food processing

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Introduction → Limited Physical Access → Restricted Competition → Discourages Alternative Markets → High Transaction Costs → Poor Market Infrastructure → Conclusion

Key points

Limited Physical Access: An average APMC serves nearly 450 sq
Restricted Competition: Mandatory sale through licensed traders and commission agents has created local monopolies/cartels in several mandis, weakening
Discourages Alternative Markets: Mandatory routing of notified produce through APMCs discourages private markets, direct procurement and integrated
High Transaction Costs: Market fees, commission charges, licence fees and various cesses reduce farmers' price realisation and increase costs for
Poor Market Infrastructure: Many mandis lack scientific grading, assaying, warehousing, cold chains and electronic auction facilities, leading to
Fragmented National Market: Different state regulations, licences and market fees impede the emergence of a unified national agricultural market and
They continue to provide an institutional platform for MSP procurement, particularly for wheat and rice

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