Siliguri Corridor Security and Strategic Review

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Why in news

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

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.

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.

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

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. 2025 · Q62 · General Studies · 2 marks

    India is one of the founding members of the International North- South Transport Corridor (INSTC), a multimodal a transportation corridor, which will connect

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  2. 2023 · Q10 · General Studies · 2 marks

    With reference to India's projects on connectivity, consider the following statements: 1. East-West Corridor under Golden Quadrilateral Project connects Dibrugarh and Surat. 2. Trilateral Highway connects Moreh in Manipur and Chiang Mai in Thailand via Myanmar. 3. Bangladesh-China- India-Myanmar Economic Corridor connects Varanasi in Uttar Pradesh with Kunming in China. How many of the above statements are correct?

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  3. 2018 · Q9 · GS III · 10 marks

    The China Pakistan Economic Corridor (CPEC) is viewed as a cardinal subset of China's larger 'One Belt One Road' initiative. Give a brief description of CPEC and enumerate the reasons why India has distanced itself from the same. (150 Words, 10 Marks).

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  4. 2024 · Q9 · GS II · 10 marks

    'The West is fostering India as an alternative to reduce dependence on China's supply chain and as a strategic ally to counter China's political and economic dominance.' Explain this statement with examples.

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  5. 2024 · Q10 · GS II · 10 marks

    Critically analyse India's evolving diplomatic, economic and strategic relations with the Central Asian Republics (CARs) highlighting their increasing significance in regional and global geopolitics.

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← All Prelims + Mains notes for 23 August 2026

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