Centre plans 40-km underground rail corridor to connect Northeast with rest of India: Ashwini Vaishnaw

Strategic four-line upgrade in West Bengal aims to secure uninterrupted rail access to the Northeast

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Top Summary

• What happened: The Centre unveiled plans for a 40-km underground rail corridor to strengthen connectivity between the Northeast and mainland India.

• Why it matters now: The corridor addresses strategic vulnerability and capacity constraints on the only land rail link to the Northeast.

• What changes for people: Faster, safer, and more reliable train movement; reduced disruption during floods and emergencies.

• Who is affected: Passengers, freight operators, industries, and states across Assam and the Northeast.

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What happened:

Railway Minister Ashwini Vaishnaw announced that Indian Railways is planning to lay underground railway tracks along a 40-km strategic corridor in West Bengal.

Addressing a press conference on the Union Budget allocation for Railways, Vaishnaw said special planning is underway to convert the existing line into a four-line corridor, ensuring uninterrupted rail connectivity to the Northeast.

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Why it matters now:

The Northeast depends heavily on a narrow rail corridor through West Bengal for passenger movement, essential supplies, and freight.

This route is:

• Prone to flooding and landslides

• A single-point failure risk during natural disasters

• Strategically sensitive from a national security perspective

An underground, multi-line corridor reduces disruption risk and boosts national integration.

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What changes for people:

• Higher train frequency and reduced congestion

• Improved safety and resilience during monsoons

• Faster movement of goods, lowering logistics costs

• Greater reliability for long-distance passenger services

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Who is affected:

• Commuters and traders in Assam and Northeast states

• Industries dependent on rail freight

• Indian Railways’ operations and maintenance ecosystem

• Border and remote regions relying on steady supply chains

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Big budget push for Assam and the Northeast

The Railway Minister said the Union Budget has allocated ₹11,486 crore specifically for Assam and the Northeast.

Additionally:

• Railway projects worth ₹72,468 crore are currently under execution in the region

• Surveys for new projects are also underway

The investment spans track creation, station redevelopment, and safety upgrades.

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Rapid network expansion since 2014

Indian Railways highlighted the scale of growth in the region:

• ~1,900 km of new tracks laid since 2014
  — more than the entire rail network of Sri Lanka

• 2,839 km of rail lines electrified in Assam and the Northeast

• 100% electrification achieved in Arunachal Pradesh, Meghalaya, Nagaland, Tripura, and Mizoram

• 98% electrification completed in Assam

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Modern trains reach the Northeast

Premium and semi-high-speed services are already operating:

• One pair of Vande Bharat Express

• One pair of Vande Bharat Sleeper trains

• Three pairs of Amrit Bharat Express

These services aim to cut travel time and improve passenger comfort in the region.

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Strategic and economic implications

The underground corridor is expected to:

• Strengthen national security logistics

• Support Act East Policy goals

• Enable industrial growth and tourism

• Improve disaster resilience for the Northeast

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Bottom line

The proposed 40-km underground rail corridor marks a decisive shift from incremental upgrades to strategic infrastructure hardening. Backed by massive funding and rapid electrification, the plan signals the Centre’s intent to make Northeast connectivity robust, scalable, and future-proof.