Siliguri Corridor

Also called: Chicken's Neck · Topic: Regional Aspirations: J&K, Punjab, the North-East and Accommodation · NCERT: Class 12, Ch 7 "Regional Aspirations"

Meaning

The Siliguri Corridor, also called the "Chicken's Neck", is a narrow strip of land about 22 km wide in north Bengal (West Bengal). It is the only land link between the North-East and the rest of India. If this strip is cut, the whole North-East is cut off from India by land. That is why it is one of the most important places for India's security, and it helps explain why the region feels cut off.

Explanation

What and where it is

• A thin land bridge: the corridor is only about 22 km wide. It lies in north Bengal, not in any North-Eastern state.
• Why the name "Chicken's Neck": on the map, the North-East looks like a large head joined to India by a very thin neck.
• What it joins: it links the rest of India to the eight states of the North-East.
• These are the Seven Sisters: Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland and Tripura.

• The eighth is Sikkim, called their "brother".

• Size of what depends on it: the region has about 4% of India's population on about 8% of its area.

How it came to be: Partition, 1947

• Old routes were lost: the new East Pakistan (now Bangladesh) cut the region's old routes to the sea and to Kolkata.
• The region became landlocked: this means it has no coast or port of its own.
• Only the corridor was left: after 1947, the only land route from the rest of India ran through this thin strip.
• The region's economy lost its natural trade routes.
• Roads, industry and jobs came late, so the region stayed backward.

Why it matters: security and isolation

• Risk of being cut off: if the corridor is blocked, the whole region is cut off by land. There is no other land road into the region.
• A sensitive border region: the North-East borders five countries. NCERT names China, Myanmar and Bangladesh. The region also touches Bhutan and Nepal.
• Feeling cut off: the thin link adds to the region's sense of distance from the rest of the country.
• NCERT notes that people in Delhi know the map of Europe better than the map of the North-East.
• Being far from the centre, poor and very mixed in population gave rise to three problems: demands for autonomy, secessionist movements (movements to break away from India) and opposition to outsiders.

Limits of the corridor as a link

• One road, one point of failure: goods, people and the army all depend on one narrow passage.
• No sea route of its own: because the region is landlocked, the corridor cannot easily be replaced.
• The answer beyond NCERT: India's Act East Policy (2014) treats the North-East as India's land bridge to Myanmar and ASEAN countries. The idea is to turn a cut-off corner into a gateway.

In the Constitution and practice

• Not a constitutional term: no Article or Schedule names the Siliguri Corridor. It is a fact of geography created by Partition in 1947. Exams test it because it shapes how India governs the North-East.
• Effect on how India drew its states: the region, far away and joined by one thin strip, was first run mostly as one big state of Assam. Its tribal groups then demanded self-rule. India answered by creating new states step by step:
• Nagaland, 1963 (13th Amendment, 1962; Art. 371A).
• Meghalaya, autonomous state in 1970 and full state in 1972 (22nd Amendment, 1969, which added Art. 244A) [6][7].
• Manipur and Tripura, full states in 1972 (North-Eastern Areas (Reorganisation) Act, 1971) [8].

• Mizoram and Arunachal Pradesh, full states in 1987 (53rd and 55th Amendments, 1986).

• Self-rule inside existing states: where new states were not practical, the Sixth Schedule (the part of the Constitution that lets tribal areas run their own affairs through elected councils) and peace accords were used. Examples are the Bodo Accord (2020), the Karbi Anglong Agreement (2021) and the Dimasa Agreement (2023) [2][3][4].

• Security pressure in practice: the region's thin link and border position have often led the Union to treat it mainly as a security frontier. Manipur came under President's rule (when the Union government takes over the running of a state for a time) under Art. 356(1) on 13 February 2025 [5]. It was extended under Art. 356(4) from 13 August 2025 [9].
• Lasting effect: the corridor's weakness remains the main reason for India's focus on connectivity and the Act East Policy (2014) in the region.

Don't confuse with

• Seven Sisters: these are the seven states of the North-East. The Siliguri Corridor is the strip of land in West Bengal that links them to India. It is not one of the states.
• Landlocked status: being landlocked means the region has no coast or port. The corridor is its only land link. Both came from Partition in 1947, but they are separate facts.
• Gorkhaland movement: this is a political demand by the Nepali-speaking Gorkhas of the Darjeeling hills in West Bengal for a separate state. The Siliguri Corridor is a piece of geography, not a movement.
• Act East Policy (2014): this is a policy to make the North-East a gateway to Myanmar and ASEAN. The corridor is the physical weakness that the policy tries to work around.

Prelims Hooks

• Siliguri Corridor = "Chicken's Neck": about 22 km wide, the North-East's only land link with the rest of India.
• Location trap: it lies in north Bengal (West Bengal), not in Assam or Sikkim.
• Neighbours trap: the North-East borders five countries (China, Myanmar, Bangladesh, Bhutan, Nepal). NCERT names only three: China, Myanmar and Bangladesh.
• Cause: Partition (1947) created East Pakistan, which cut the region's routes to the sea and Kolkata and made it landlocked.
• Region size: about 4% of the population on about 8% of the area. There are eight states if Sikkim is counted.
• Act East Policy (2014) treats the North-East as India's land bridge to Myanmar and ASEAN (beyond NCERT).

Mains Points

• Geography as a cause of regional discontent (GS-I): Partition left the North-East landlocked and tied to India by a 22 km strip.
• The region lost its trade routes and stayed backward.
• Its distance from the national mainstream fed demands for autonomy, secessionist movements and anger at outsiders.

• The corridor helps explain why the region's politics developed separately from the rest of India.

• Security versus development: a thin link makes the region a strategic worry. But treating it only as a security frontier has fed alienation (a feeling of being left out).

• A lasting answer needs steady investment in roads, industry and jobs.

• It also needs political accommodation through new states, Sixth Schedule councils and peace accords [2][3][4].

• Reducing dependence on one link: the Act East Policy (2014) tries to turn the North-East from a cut-off corner into a land bridge to Myanmar and ASEAN.

• Better links would make the region less dependent on the corridor alone.
• Those links depend on stable relations with neighbours and on peace inside the region, including Manipur since 2023.

Related concepts

• Seven Sisters
• All Party Hill Leaders Conference
• Bodoland movement
• Bodo Accord 2020
• Gorkhaland movement
• Manipur ethnic violence

Read more

• The North-East: region, reorganisation and autonomy