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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

  1. 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.
  2. 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.
  3. Use a flowchart for processes.Disaster cycle, ML pipeline, food-processing value chain, cybersecurity kill chain — a small labelled diagram beats prose.
  4. Distinguish stock from flow.Forex reserves vs trade balance, debt stock vs deficit, capacity installed vs energy generated. Mixing them up costs marks.
  5. Way forward must be specific.Not "the government should take steps" — name the ministry, the scheme name, the budget head, the timeline.
Q.115 marks · 250w 14 min Medium

How has the emphasis on certain crops brought about changes in cropping patterns in recent past? Elaborate the emphasis on millets production and consumption.

Subtopic: Agriculture & Food Security · cropping pattern & millets

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Introduction → drivers of cropping-pattern change → shift toward rice-wheat & commercial crops → consequences → case for millets → policy push for millets → Conclusion
Key points
  • MSP and procurement of rice-wheat drove a water-intensive cropping shift
  • Irrigation and Green Revolution reinforced rice-wheat monoculture
  • Coarse cereals and pulses lost area to cereals and commercial crops
  • Consequences: groundwater depletion, soil stress, nutritional monotony
  • Millets are climate-resilient, drought-tolerant and nutritionally rich
  • India led the International Year of Millets 2023; branded as Shree Anna
  • Promotion via NFSM Nutri-Cereals, ICDS, PDS and export push

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Q.215 marks · 250w 14 min Medium

Why is there so much activity in the field of biotechnology in our country? How has this activity benefitted the field of biopharma?

Subtopic: Science & Technology · biotechnology

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Introduction → why biotech is thriving (talent, policy, funding, demand) → enabling ecosystem → benefits to biopharma → examples (vaccines, biosimilars) → Conclusion
Key points
  • Skilled manpower, low-cost R&D and large demand drive biotech growth
  • DBT, BIRAC and the National Biotechnology Development Strategy anchor the ecosystem
  • BioE3 policy promotes high-value bio-manufacturing
  • India is the world's largest vaccine producer by volume
  • Strength in affordable generics, biosimilars and recombinant products
  • Indigenous COVID-19 vaccine development showcased capability
  • Move needed from volume leadership to high-value innovation

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Q.315 marks · 250w 14 min Hard

Data security has assumed significant importance in the digitized world due to rising cyber crimes. The Justice B. N. Srikrishna Committee Report addresses issues related to data security. What, in your view, are the strengths and weaknesses of the Report relating to protection of personal data in cyber space?

Subtopic: Science & Technology · data protection

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Introduction → context of data security & Srikrishna Committee → strengths of the report → weaknesses → balanced assessment → Conclusion: from report to law
Key points
  • Puttaswamy judgment (2017) made privacy a fundamental right, spurring the framework
  • Srikrishna Committee report (2018): A Free and Fair Digital Economy plus draft Bill
  • Strength: individual as data principal with rights and portability
  • Strength: data fiduciary duties and an independent Data Protection Authority
  • Weakness: wide state exemptions risk unchecked surveillance
  • Weakness: data localisation raises compliance cost and business concerns
  • Report shaped the later Digital Personal Data Protection Act, 2023

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Q.415 marks · 250w 14 min Hard

India’s proximity to two of the world’s biggest illicit opium-growing states has enhanced her internal security concerns. Explain the linkages between drug trafficking and other illicit activities such as gunrunning, money laundering and human trafficking. What counter-measures should be taken to prevent the same?

Subtopic: Internal Security · narcotics & trafficking

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Introduction → India between Golden Crescent and Golden Triangle → linkages of drug trade with gunrunning, laundering, trafficking → security implications → counter-measures (legal, institutional, international) → Conclusion
Key points
  • India sits between the Golden Crescent and the Golden Triangle opium belts
  • Drug routes double as gunrunning corridors, financing narco-terrorism
  • Narcotics cash is laundered via hawala, shell firms and cryptocurrency
  • Trafficking networks converge, using victims as drug mules
  • Enforcement via NDPS Act, NCB and tighter border/coastal security
  • Financial choke through PMLA, FIU and Enforcement Directorate
  • International cooperation (UNODC, INTERPOL) and demand reduction needed

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Q.510 marks · 150w 9 min Medium

Enumerate the indirect taxes which have been subsumed in the Goods and Services Tax (GST) in India. Also, comment on the revenue implications of the GST introduced in India since July 2017.

Subtopic: Indian Economy · GST & Fiscal Federalism

Show model answer outline
Introduction (GST as unified indirect tax from July 2017) → enumerate central taxes subsumed → enumerate state taxes subsumed → revenue implications: compensation, buoyancy, states' concerns → Conclusion.
Key points
  • GST introduced 1 July 2017 via the 101st Constitutional Amendment; a destination-based, dual (CGST+SGST/IGST) tax.
  • Central taxes subsumed: Central Excise, Additional Excise Duties, Service Tax, CVD and SAD, central cesses/surcharges.
  • State taxes subsumed: VAT, CST, Entry Tax/Octroi, Luxury Tax, Entertainment Tax, Purchase Tax, advertisement and lottery taxes.
  • Outside GST: petroleum products, alcohol for human consumption, electricity, and stamp duty.
  • Compensation guarantee: 14% annual revenue growth to states for 5 years, funded by GST compensation cess.
  • Early revenue shortfalls and Centre-state friction, aggravated by the COVID-19 slump.
  • Later revenue buoyancy improved; monthly collections regularly exceed ₹1.5 lakh crore with wider formalisation.

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Q.610 marks · 150w 9 min Medium

Do you agree with the view that steady GDP growth and low inflation have left the Indian economy in good shape? Give reasons in support of your arguments.

Subtopic: Indian Economy · Macroeconomic Assessment

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Introduction (steady growth and low inflation as positives) → arguments in support → arguments against complacency: slowdown, jobs, investment, distress → balanced verdict → Conclusion.
Key points
  • Steady growth with low inflation signals output expansion plus price stability — a conventional health indicator.
  • Supporting view: India among the fastest-growing major economies with policy space and investor confidence.
  • Inflation within the flexible inflation-targeting band (4% ± 2%) protected real incomes and anchored expectations.
  • Comfortable forex reserves and a manageable current account deficit added stability.
  • Caution: visible growth deceleration, weak private investment and subdued consumption demand.
  • Low inflation partly reflected rural distress and depressed demand, not only efficiency gains.
  • Structural strains: unemployment, banking NPAs and sluggish exports temper the optimism.

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Q.710 marks · 150w 9 min Medium

How far is Integrated Farming System (IFS) helpful in sustaining agricultural production?

Subtopic: Agriculture & Food Security · Integrated Farming System

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Introduction → define IFS as an interlinked crop-livestock-allied enterprise system → explain how it sustains production (recycling, income diversification, risk buffering, soil health) → note limits (management intensity, capital) → Conclusion linking IFS to sustainability and doubling farmer income.
Key points
  • IFS interlinks crops with dairy, poultry, fishery, apiculture and agro-forestry on one holding.
  • By-product of one enterprise becomes input for another, enabling on-farm nutrient recycling.
  • Cuts chemical fertiliser dependence via dung, residue, biogas slurry — improves soil health.
  • Diversified year-round income and nutrition; buffers price and monsoon shocks.
  • Higher resource-use efficiency of land, water and labour per unit area.
  • Generates continuous employment, checking distress migration.
  • Constraints: needs managerial skill, capital and market linkage for allied produce.
  • ICAR/KVK models demonstrate higher net returns than mono-cropping.

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Q.810 marks · 150w 9 min Medium

Elaborate the impact of National Watershed Project in increasing agricultural production from water-stressed areas.

Subtopic: Agriculture & Food Security · Watershed development

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Introduction → define watershed approach and the national programme → elaborate impacts on rainfed/water-stressed areas (soil moisture, water table, cropping intensity, incomes, ecology) → note limitations → Conclusion on rainfed farming's centrality.
Key points
  • Watershed = hydrological unit; development integrates soil and moisture conservation.
  • National effort now Watershed Development Component of PMKSY (earlier IWMP).
  • Targets rainfed area (~51% of net sown area) that is water-stressed.
  • Structures — bunds, check dams, farm ponds — enable in-situ moisture conservation.
  • Groundwater recharge revives wells, enabling protective/supplementary irrigation.
  • Raises cropping intensity, yields, diversification and horticulture on degraded land.
  • Reduces soil erosion and land degradation; boosts fodder and rural livelihoods.
  • Success needs people's participation, equity for landless and asset maintenance.

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Q.910 marks · 150w 9 min Easy

How was India benefitted from the contributions of Sir M. Visvesvaraya and Dr. M. S. Swaminathan in the fields of water engineering and agricultural science respectively?

Subtopic: Science & Technology · Indian scientists' contributions

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Introduction → frame both as nation-builders in water and food → Visvesvaraya's water engineering contributions → Swaminathan's agricultural science and Green Revolution role → Conclusion on lasting benefit to India.
Key points
  • Visvesvaraya designed automatic sluice/floodgates (Khadakwasla) to store floodwater safely.
  • Devised the block irrigation system to raise water-use efficiency and prevent waterlogging.
  • Central to Krishna Raja Sagara (KRS) dam on the Cauvery irrigating Mysore region.
  • Designed flood protection for Hyderabad against the Musi river.
  • Swaminathan led the Green Revolution using HYV dwarf wheat adapted from Borlaug's work.
  • Turned India from food importer ('ship-to-mouth') to grain self-sufficiency.
  • Championed the 'Evergreen Revolution' — productivity without ecological damage.
  • Chaired the National Commission on Farmers (Swaminathan Commission).

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Q.1010 marks · 150w 9 min Medium

What is India’s plan to have its own space station and how will it benefit our space programme?

Subtopic: Science & Technology · Space station programme

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Introduction → note ISRO's plan for an indigenous space station (Bharatiya Antariksha Station) → outline the plan (modules, timeline, Gaganyaan link) → discuss scientific, technological, strategic and economic benefits → Conclusion on self-reliant human spaceflight.
Key points
  • ISRO plans an indigenous station — Bharatiya Antariksha Station (BAS).
  • Modular ~20-25 tonne station in low Earth orbit, phased first module ~2028, completion ~2035.
  • Sequenced after Gaganyaan human spaceflight validating LVM3, crew module and life support.
  • Docking capability proven via SpaDeX experiment, essential for in-orbit assembly.
  • Enables sustained microgravity research in materials, biology and medicine.
  • Masters life-support, docking and long-duration crew ops for future deep-space missions.
  • Boosts strategic autonomy, prestige and voice in space governance.
  • Spurs private space economy via IN-SPACe and high-tech employment.

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Q.1110 marks · 150w 9 min Medium

The banning of ‘Jamaat-e-Islami’ in Jammu and Kashmir brought into focus the role of over-ground workers (OGWs) in assisting terrorist organizations. Examine the role played by OGWs in assisting terrorist organizations in insurgency affected areas. Discuss measures to neutralize influence of OGWs.

Subtopic: Internal Security · Over-ground workers and terror support

Show model answer outline
Introduction → define OGWs and the Jamaat-e-Islami ban context → examine their roles (logistics, recruitment, intelligence, propaganda, funding) → discuss measures to neutralise them → Conclusion on drying the support ecosystem.
Key points
  • OGWs are civilian sympathisers forming the support ecosystem of militants.
  • 2019 UAPA ban on Jamaat-e-Islami (J&K) spotlighted such networks.
  • Provide logistics, shelter, transport and safe passage to armed cadres.
  • Handle recruitment, radicalisation and channelling of youth into militancy.
  • Supply intelligence on security-force movement and route terror financing/hawala.
  • Drive propaganda, crowd mobilisation and stone-pelting at encounter sites.
  • Neutralise via intelligence mapping, UAPA prosecution and NIA/ED financial action.
  • Counter-radicalisation, rehabilitation and community trust to erode the network.

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Q.1210 marks · 150w 9 min Easy

What is CyberDome Project? Explain how it can be useful in controlling internet crimes in India.

Subtopic: Internal Security · Cyber Crime & Policing

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Introduction (what CyberDome is) → its nature and objectives → how it helps control internet crimes: threat intelligence, public-private collaboration, capacity building, victim protection → Conclusion.
Key points
  • CyberDome is a Kerala Police technological R&D and cyber-security centre launched in 2016.
  • Structured as a public-private partnership involving police, ethical hackers, academia, industry and citizen volunteers.
  • Undertakes threat intelligence, darknet monitoring, cyber forensics and pre-emptive detection of attacks and fraud.
  • Runs dedicated programmes against online child sexual abuse material and cyber-radicalisation.
  • Bridges the police capacity gap by pooling private technical expertise.
  • Emphasises public awareness, training and citizen participation in reporting crime.
  • Serves as a replicable model complementing national mechanisms like I4C and the National Cyber Crime Reporting Portal.

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Q.1315 marks · 250w 14 min Medium

It is argued that the strategy of inclusive growth is intended to meet the objectives of inclusiveness and sustainability together. Comment on this statement.

Subtopic: Indian Economy · Inclusive & Sustainable Growth

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Introduction (define inclusive growth) → why inclusiveness and sustainability are linked → how the strategy pursues them together → tensions and limitations → measures to reconcile them → Conclusion (SDG-aligned view).
Key points
  • Inclusive growth = broad-based, employment-rich growth that reduces inequality and reaches the poorest.
  • Sustainability and inclusion are interdependent: the poor depend most on natural resources, so degradation deepens poverty.
  • The Sustainable Development Goals institutionalise the pairing of 'leave no one behind' with ecological limits.
  • Instruments: MGNREGA, PDS, health/education spending, and financial inclusion via Jan Dhan and DBT.
  • Green measures — renewables, National Solar Mission, climate-resilient agriculture — protect the poor's resource base.
  • Tensions: growth can widen inequality, cause jobless growth and resource stress if unmanaged.
  • Reconciliation needs green jobs, targeted redistribution, regional balance and strong institutions.

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Q.1415 marks · 250w 14 min Medium

The public expenditure management is a challenge to the Government of India in the context of budget making during the post-liberalization period. Clarify it.

Subtopic: Indian Economy · Public Finance & Budgeting

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Introduction (public expenditure management post-1991) → why it is a challenge: committed spending, subsidies, fiscal deficit → structural constraints in budget-making → reforms undertaken → Conclusion on the way forward.
Key points
  • Public expenditure management balances fiscal discipline, allocative efficiency and operational value for money.
  • Committed expenditure (interest, salaries, pensions, defence) leaves limited fiscal space in the budget.
  • Large, poorly targeted subsidies on food, fertiliser and fuel strain finances.
  • High revenue expenditure crowds out growth-enhancing capital spending.
  • FRBM Act, 2003 institutionalised fiscal targets and transparency; off-budget borrowing undermines it.
  • Reforms: outcome budgeting, DBT and JAM trinity, abolition of the Plan/Non-Plan distinction (2017).
  • Way forward: credible consolidation, protected capex, rational subsidies, transparent accounting.

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Q.1515 marks · 250w 14 min Medium

What are the reformative steps taken by the Government to make food grain distribution system more effective?

Subtopic: Agriculture & Food Security · Public Distribution System

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Introduction (PDS and NFSA) → problems in the old distribution system → reformative steps: computerisation, Aadhaar, ePoS, ONORC, DBT → outcomes → Conclusion.
Key points
  • PDS is anchored in the National Food Security Act, 2013, covering roughly two-thirds of the population.
  • Old system plagued by leakage, diversion, ghost cards and inclusion-exclusion errors.
  • End-to-end computerisation digitised ration cards and the entire supply chain.
  • Aadhaar seeding with biometric ePoS authentication eliminated bogus beneficiaries.
  • One Nation One Ration Card enabled nationwide portability for migrant workers.
  • Depot Online System and Annavitran portal enabled real-time stock and movement tracking; DBT piloted in UTs.
  • Rice fortification through PDS addresses micronutrient deficiency; PMGKAY delivered free grain during COVID-19.

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Q.1615 marks · 250w 14 min Medium

Elaborate the policy taken by the Government of India to meet the challenges of the food processing sector.

Subtopic: Agriculture & Food Security · Food Processing

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Introduction (importance of food processing) → challenges of the sector → government policy responses: PMKSY, PM-FME, PLI, Operation Greens, FDI → Conclusion on doubling farmers' income.
Key points
  • Food processing curbs post-harvest losses, adds value, creates jobs and raises farmers' incomes.
  • Challenges: weak cold-chain infrastructure, fragmented supply chains, high wastage, dominance of unorganised units.
  • PMKSY is the umbrella scheme funding Mega Food Parks, cold chains and agro-processing clusters.
  • PM-FME formalises micro food-processing units under 'One District One Product'.
  • PLI Scheme for Food Processing builds scale, branding and export competitiveness.
  • Operation Greens stabilises prices of perishables (originally TOP: tomato, onion, potato).
  • 100% FDI via the automatic route, plus a dedicated Ministry of Food Processing Industries.

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Q.1715 marks · 250w 14 min Medium

How is the Government of India protecting traditional knowledge of medicine from patenting by pharmaceutical companies?

Subtopic: Science & Technology · Intellectual Property & Traditional Knowledge

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Introduction (biopiracy threat) → the TKDL mechanism → legal and institutional protections → international engagement and outcomes → Conclusion.
Key points
  • Traditional Knowledge Digital Library (TKDL), set up in 2001 by CSIR and the Ministry of AYUSH, documents Ayurveda, Unani, Siddha and Yoga.
  • TKDL converts ancient-text knowledge into a patent-examiner-friendly, multilingual database usable as 'prior art'.
  • Access shared with global patent offices (EPO, USPTO, etc.) to pre-empt wrongful patents.
  • Biological Diversity Act, 2002 regulates access to bioresources and mandates benefit-sharing.
  • The Patents Act prohibits patenting of traditional knowledge and mere discoveries.
  • Geographical Indication (GI) tags protect region-specific traditional products.
  • Successes: revocation of turmeric and neem patents; challenge to the basmati patent.

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Q.1815 marks · 250w 14 min Medium

How can biotechnology help to improve the living standards of farmers?

Subtopic: Science & Technology · Agricultural Biotechnology

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Introduction (biotechnology in agriculture) → yield and resilience gains → input reduction and cost savings → livestock and post-harvest applications → concerns and safeguards → Conclusion on higher farmer incomes.
Key points
  • Biotechnology raises yields via pest-resistant and genetically improved crops such as Bt cotton.
  • Drought-, flood- and salinity-tolerant varieties from molecular/marker-assisted breeding cushion climate stress.
  • Biopesticides and biofertilisers cut input costs and protect soil health.
  • Tissue culture supplies disease-free, high-quality planting material.
  • Biofortified crops improve nutrition and market value (e.g., higher-protein/vitamin varieties).
  • Livestock vaccines and improved breeds boost dairy and poultry incomes; biotech reduces post-harvest losses.
  • Needs biosafety regulation via the GEAC to manage ecological, health and seed-dependence risks.

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Q.1915 marks · 250w 14 min Hard

Indian Government has recently strengthened the anti-terrorism laws by amending the Unlawful Activities (Prevention) Act (UAPA), 1967 and the NIA Act. Analyze the changes in the context of prevailing security environment while discussing the scope and reasons for opposing the UAPA by human rights organizations.

Subtopic: Internal Security · Anti-Terror Legislation

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Introduction (UAPA and NIA amendments 2019) → key changes → security rationale → scope and concerns of human-rights organisations → balancing security and liberty → Conclusion.
Key points
  • UAPA (Amendment) Act, 2019 lets the government designate individuals — not only organisations — as terrorists.
  • It allows NIA officers of Inspector rank and above to investigate and to attach terror-linked property with DG approval.
  • NIA (Amendment) Act, 2019 extends jurisdiction to specified offences committed abroad, including cyber-terror and trafficking.
  • Rationale: individuals regroup after outfits are banned; designation aligns India with global counter-terror practice.
  • Concern: designating individuals pre-conviction weakens the presumption of innocence.
  • Stringent bail and long pre-trial detention risk misuse against activists, journalists and dissenters.
  • Federalism worry over NIA encroaching on state police; absence of sunset clause and independent review.

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Q.2015 marks · 250w 14 min Hard

Cross-border movement of insurgents is only one of the several security challenges facing the policing of the border in North-East India. Examine the various challenges currently emanating across the India-Myanmar border. Also, discuss the steps to counter the challenges.

Subtopic: Internal Security · Border management (India-Myanmar)

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Introduction → contextualise the 1,643 km India-Myanmar border and its unique fluidity → examine the layered challenges (insurgency, terrain, FMR misuse, drugs/arms, refugees post-2021 coup) → discuss counter-steps (fencing, FMR curbs, HADR, diplomacy) → Conclusion balancing security with ethnic kinship.
Key points
  • India-Myanmar border is 1,643 km, unfenced, across four NE states and shared ethnic communities.
  • Cross-border insurgent camps in Sagaing region used by NSCN, ULFA(I) and Manipur groups.
  • Free Movement Regime (16 km visa-free) misused for smuggling, arms and infiltration.
  • Golden Triangle proximity drives heroin, meth (yaba) and weapons trafficking and local addiction.
  • 2021 Myanmar coup caused refugee inflow into Mizoram/Manipur and worsened instability.
  • 2024 government decision to scrap FMR and fence the border, with pass-based regulated movement.
  • Assam Rifles deployment, smart surveillance and coordinated operations with Myanmar army.
  • Border Area Development Programme and humane refugee handling to retain local cooperation.

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