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GS Paper 3 · Full-Length Test · Mains 2026 / 2027
UPSC Mains GS3 Full-Length Mock Test — Economy, Sci-Tech & Security
Two full-length GS Paper 3 mock tests on the UPSC Mains pattern — the economy and agriculture, science & technology, environment and disaster management, and internal security, set on current themes. Read every question free below, or download either set as a printable booklet and take it under exam conditions.
Twenty compulsory questions · Q1–10 carry 10 marks (~150 words), Q11–20 carry 15 marks (~250 words) · 250 marks · 3 hours
Printable question-cum-answer booklets with ruled answer space · free · no login
What's inside (40 questions across two sets)
Original UnlockIAS Sherlocking Simulator papers on the UPSC Mains pattern — not official past papers.
Set A · Simulator Set 1 (spaced single paper) · 20 questions
- Q1.Assess the banking reforms India needs, covering bank capital, public sector bank governance, bad-loan resolution under IBC, and MSME credit. (10 marks)
- Q2.India's Digital Public Infrastructure stack is built around UPI, the Open Network for Digital Commerce and the Account Aggregator framework. How does it drive economic growth and financial inclusion? Examine the systemic risks of market concentration, data misuse and digital exclusion it carries. (10 marks)
- Q3.Discuss the potential of gene-edited crops for food and climate security and the biosafety and intellectual property concerns involved. (10 marks)
- Q4.Examine how stronger food processing can cut post-harvest losses, raise farm incomes, and create non-farm manufacturing jobs. (10 marks)
- Q5.India is pursuing a "sovereign AI" model, controlling its own AI compute, data and models. Examine the case for this approach. How should India regulate frontier technologies and counter the growing menace of deepfakes and AI-generated fake audio and video? Discuss. (10 marks)
- Q6.Account for why fabrication depth and home-grown chip design, not assembly alone, are essential for India's semiconductor self-reliance. (10 marks)
- Q7.Heat waves increasingly threaten Indian cities and the urban poor. Explain how Heat Action Plans reduce this toll, and examine the gaps that limit their effectiveness on the ground. (10 marks)
- Q8.COP30 urged tripling adaptation finance and mobilising USD 1.3 trillion yearly. Assess how adequate these outcomes are for India, and how the just transition principle shapes its adaptation-finance and climate-ambition concerns. (10 marks)
- Q9.Crypto-asset-based money laundering and terror financing test India's PMLA-FATF framework. Examine measures needed to strengthen it against these threats. (10 marks)
- Q10.India's maritime frontier in the Indian Ocean Region, vital to its trade and energy, faces growing threats. Discuss these. How far have the coastal-security grid and maritime- domain awareness strengthened India's response? (10 marks)
- Q11.Examine the rationale for a two-rate GST. Does it pit revenue buoyancy against States' revenue security post-compensation? (15 marks)
- Q12.India's manufacturing push boosted assembly, not value-addition or MSME integration into GVCs. Account for this gap and reorient PLI accordingly. (15 marks)
- Q13.India stays heavily import-dependent for edible oils and pulses despite cereal self- sufficiency. What factors explain this dependence, and how can a cropping-pattern shift towards oilseeds and pulses build self-reliance in these commodities? (15 marks)
- Q14.How can AgriStack, the farmer-data registry, and e-NAM strengthen agricultural marketing and improve price realisation for farmers? Why is the convergence of schemes at the district level, as attempted under the PM Dhan-Dhaanya Krishi Yojana, important for lifting farm incomes? Discuss. (15 marks)
- Q15.Assess the significance of India's shift to IN-SPACe-led private space activity for the space economy and technological self-reliance. (15 marks)
- Q16.India aims for 100 GW nuclear power by 2047 via private investment and SMRs. Can these scale India's baseload clean energy? Examine the hurdles, including those in the fuel cycle. (15 marks)
- Q17.Can EIA balance development with ecological protection? Comment, suggesting reforms to the clearance process, environmental governance and precautionary-principle adherence. (15 marks)
- Q18.How can the Carbon Credit Trading Scheme lower decarbonisation costs in hard-to-abate industries like steel and cement, and how does CCUS fit in? Assess both's contribution to India's climate goals. (15 marks)
- Q19.Armed drones, loitering munitions, and layered air defence are altering warfare on India's borders. Analyse how they reshape modern conflict, and why indigenising defence technology is now a strategic necessity. (15 marks)
- Q20.Compare the people-centric Vibrant Villages Programme with the infrastructure-and- technology approach of border roads, tunnels and surveillance in strengthening border security. How do they together build a holistic border-management strategy? (15 marks)
Set B · Simulator Set 2 (real Mains shape) · 20 questions
- Q1.The Income-tax Act, 2025 recodifies India's direct-tax law. Discuss its rationale and gains in simplification, compliance, and dispute reduction. (10 marks)
- Q2.Can asset monetisation (leasing public assets) and PPPs bridge India's infrastructure financing gap? Evaluate both instruments' effectiveness, and examine how PM Gati Shakti can improve their outcomes. (10 marks)
- Q3.Examine the potential of natural farming to restore soil health and build climate resilience in Indian agriculture. What concerns does it raise for crop yields and food security? (10 marks)
- Q4.India's water-stressed agriculture still relies on water-intensive, low-efficiency irrigation, with drip and sprinkler systems spreading slowly despite the 'Per Drop More Crop' push. Account for this persistence of inefficient water use. (10 marks)
- Q5.With non-fossil sources now half of India's installed capacity, examine the challenges of integrating variable renewable power into grids, including storage and transmission. How far can green hydrogen address them? (10 marks)
- Q6.Explain quantum computing and quantum-secure communication. Assess what India's National Quantum Mission seeks to achieve in building sovereign capability in this domain. (10 marks)
- Q7.How can Ramsar wetlands and marine protected areas help India meet its 30x30 conservation target, and how can this be reconciled with a sustainable blue economy? Discuss. (10 marks)
- Q8.Cyclones, sea-level rise and shoreline erosion together threaten India's coast. Account for this combined coastal and marine vulnerability. Is the Coastal Regulation Zone (CRZ) framework adequate to address it? (10 marks)
- Q9.India was declared free of Left-Wing Extremism, districts falling from over a hundred to nil. What challenges arise in holding and developing the cleared areas, and how can resurgence be prevented? (10 marks)
- Q10.Explain how online radicalisation and the drugs-terror nexus reinforce each other, and discuss counter-measures to tackle them jointly. (10 marks)
- Q11.With major economies weaponising tariffs, how can India build a trade strategy resilient to such shocks? Examine with reference to FTAs, diversification of export markets and supply chains, and deeper GVC integration. (15 marks)
- Q12.Can the Employment Linked Incentive scheme and gig worker welfare funds turn jobless growth into inclusive, quality employment? Comment. (15 marks)
- Q13.Assess how institutional credit and crop insurance, especially KCC, PMFBY and Farmer Producer Organisations, stabilise farmer incomes. How far do they address risk vulnerabilities of small and marginal farmers? (15 marks)
- Q14.Millets and other nutri-cereals are climate-resilient crops for a warming India. How can mainstreaming them in production and diets strengthen nutrition security? Discuss the major constraints limiting their wider adoption. (15 marks)
- Q15.India depends on imported critical minerals and rare earths for energy transition and defence. Examine the vulnerabilities this creates and steps to secure supply, including NCMM, recycling and overseas acquisition through KABIL. (15 marks)
- Q16.Assess the significance of biomanufacturing, genomics and indigenous vaccines under the BioE3 Policy for India's economy, health security and self-reliance. (15 marks)
- Q17.Cloudbursts and glacial lake outburst floods (GLOFs) increasingly cascade into compound Himalayan disasters as unregulated construction pushes settlements past fragile slopes' carrying capacity. Analyse the causes. How far can early warning systems and resilient infrastructure reduce their impact? (15 marks)
- Q18.Examine how far the Green Credit Programme and compensatory afforestation advance India's forest carbon-sink target, improving quality not merely green cover. (15 marks)
- Q19.Cyberattacks on India's critical information infrastructure pose a serious threat to national security. Discuss. Suggest the key elements a comprehensive National Cyber Security Strategy must incorporate to safeguard it. (15 marks)
- Q20.With defence production at a record Rs 1.5 lakh crore and exports near Rs 24,000 crore in FY25, distinguish the DRDO-DPSU public pillar from the private sector and assess self- reliance, weighing achievements against persisting capability gaps. (15 marks)
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FAQ
How do I download the GS Paper 3 full-length mock test?
Click "Download Set A" or "Download Set B" at the top of the page. Each is a printable question-cum-answer booklet with a UPSC-style cover, instructions and ruled answer space — print it and write the paper under the real three-hour clock. No sign-up or login is required.
Are these GS3 mock test papers free?
Yes — both sets are free to read and download. Only the model answers, AWE engine evaluation, weak-subject diagnostics and the 1-to-1 call with Neil Sir are part of the paid Sherlocking Test Series Module.
How is the GS3 paper structured?
Like the real UPSC GS3 paper: twenty compulsory questions — Q1–10 carry 10 marks (about 150 words each) and Q11–20 carry 15 marks (about 250 words each), for 250 marks in three hours.
Do I get model answers for this paper?
The question papers are free. The deployable model answers — written to the UPSC word limits — plus AWE engine evaluation and weak-subject diagnostics for every test are part of the Sherlocking Test Series Module, also included in the Sherlocking Mains Comprehensive Module.
Are these official UPSC previous-year questions?
No. These are original UnlockIAS papers from the Sherlocking Simulator, set on the UPSC Mains pattern and current themes — not official UPSC past papers.
Question papers from the UnlockIAS Sherlocking Simulator (Sherlocking Test Series Module) — original full-length papers set on the UPSC Mains pattern, not official UPSC past papers. Last updated: July 2026.