Q7(a) · UPSC Civil Services Mains 2026 · PSIR GS 2 · 20 marks · 1 min read

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How does illegal cross border migration pose challenges to India's security? Discuss the steps taken by the government in this direction and their effectiveness

Page facts
Exam
Union Public Service Commission — Civil Services Examination (UPSC)
Board
UPSC
Stage
Mains
Year
2026
Paper
UPSC Mains — PSIR GS 2 (Paper II) (PSIR GS 2)
Question
Q7(a)
Marks
20
Topic
Comparative Politics
Syllabus
Comparative Politics: Nature and major approaches; political economy and political sociology perspectives; limitations of the comparative method.

Topic: Comparative Politics. Syllabus: Comparative Politics: Nature and major approaches; political economy and political sociology perspectives; limitations of the comparative method. Same official PYQ from year-wise 2026 and Comparative Politics.

Revision summary

Illegal cross-border migration undermines India's national security by altering demographic balances, straining economic resources, and exacerbating internal security vulnerabilities. The government has responded through border fencing, technological integration like SMART fencing, institutional mechanisms, and bilateral agreements. However, porous terrain, regional political complexities, and local connivance limit the complete effectiveness of these measures. A holistic approach combining strict border management with socio-economic development and robust legal frameworks is essential for sustainable containment.

Model answer

Copper italics in this answer — like this — are the key facts. Each one is unpacked in the Facts & figures rail.

Introduction

Illegal cross-border migration represents a complex multi-dimensional challenge to India's sovereignty, internal stability, and demographic integrity. Addressing this requires a nuanced examination of security vulnerabilities alongside an evaluation of policy and technological countermeasures.

Body

National Security Implications

  • Demographic shifts: Unregulated influx in border districts alters local ethnic and religious compositions, frequently triggering social tensions and identity conflicts.
  • Internal security risks: Porous borders are exploited by non-state actors, insurgent groups, and criminal syndicates for trafficking arms, narcotics, and personnel.
  • Resource friction: Excessive strain on local public infrastructure, employment markets, and welfare entitlements creates acute socio-economic competition.

State Interventions and Mechanisms

  • Physical and technological infrastructure: Deployment of comprehensive integrated border management systems (CIBMS), floodlights, and advanced surveillance.
  • Legal and administrative frameworks: Enforcement of the Foreigners Act, 1946, and strengthening of the Border Security Force (BSF) mandate.
  • Bilateral engagement: Joint border working groups and developmental partnerships with neighbours to stem push factors at the source.

Critical Evaluation of Effectiveness

  • Terrain and administrative hurdles: Difficult geographical features like riverine borders and dense forests complicate permanent physical sealing.
  • Sub-national complicity: Local political economies, corruption, and identity politics often undermine rigorous deportation and identification drives.
  • Humanitarian dimensions: Purely security-centric approaches risk exacerbating human rights concerns without fully resolving the structural drivers of migration.

Flow diagram

flowchart TD
  A[Illegal Migration] --> B[Security Threats]
  B --> C[Demographic Alteration]
  B --> D[Insurgency and Crime]
  A --> E[State Response]
  E --> F[Fencing and CIBMS]
  E --> G[Legal Enforcement]
  E --> H[Bilateral Talks]
  F --> I[Variable Effectiveness]
  G[G] --> I[I]
  H[H] --> I[I]

Conclusion

Illegal cross-border migration remains a critical stress test for India's governance architecture and strategic calculus. While technological upgrades and border hardening have enhanced state capacity, durable resolution necessitates deeper regional cooperation and transparent legal frameworks anchored in constitutional principles.

Quick related

Students also ask

  • Neo-liberalism lightened neo-realism's dark view of international politics. Comment.

    Next question on this syllabus topic (2025 · Q1(b)). View answer →

  • How does illegal migration impact India's internal security?

    It facilitates transnational crimes, fuels local demographic friction, and strains critical state resources in border regions.

  • What are the primary measures taken by India to secure its borders?

    India utilises physical fencing, the Comprehensive Integrated Border Management System (CIBMS), legal enforcement under the Foreigners Act, and bilateral security cooperation.

Same topic · past papers

UPSC has asked this before

These previous-year questions sit on the same topic. Open one to practise the earlier ask.

  1. 2022 · Q8(b) · PSIR GS 2 · 15 marks

    Discuss the consequences of illegal cross-border migration in India's north-eastern region

    View answer →

  2. 2021 · Q6(c) · PSIR GS 2 · 15 marks

    Write a brief analysis of the ethnic conflicts and cross-border migrations along India-Myanmar and India-Bangladesh borders

    View answer →

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