Siliguri Corridor Security and Strategic Review

Why in news

  • Union Home Minister reviewed Siliguri Corridor security infrastructure and directed the implementation of a quadrangular approach to border security.

Key terms

Chicken's Neck

Geopolitical nickname for the strategic Siliguri Corridor connecting the North-Eastern region to mainland India.

Multi Agency Centre (MAC)

An intelligence-sharing platform under the Intelligence Bureau to co-ordinate real-time security inputs.

What is the Siliguri Corridor?

  • Narrow stretch of land in West Bengal, measuring roughly 20-22 km at its narrowest point, connecting North-Eastern States with mainland India.
  • Bordered by Nepal, Bhutan, and Bangladesh, making it a critical geopolitical and defense choke point.

Key security directives issued

  • Implementation of a quadrangular approach to border security integrating military, paramilitary, intelligence, and civil administration.
  • Establishment of the Standing Focus Group on Siliguri Corridor (SFG-SC) under the Multi Agency Centre (MAC).
  • Mandatory anti-encroachment drives and strict measures against demographic changes and illegal immigration.

Why it matters

  • Ensures uninterrupted territorial sovereignty and critical supply logistics for North-East India.
  • Mitigates vulnerabilities arising from cross-border illegal migration and external asymmetric threats.

Prelims facts

  • Siliguri Corridor borders Bangladesh, Nepal, and Bhutan.
  • Multi Agency Centre operates under the Ministry of Home Affairs.

Mains discussion

  • Strategic security imperatives and infrastructure challenges in safeguarding the Siliguri Corridor.

Source: PIB English

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← All Prelims + Mains notes for 23 August 2026

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