InfrastructureGovernment Policy
News 18 of 21

India Approves Rs 18,662 Crore Underwater Twin-Tube Road-cum-Rail Tunnel in Assam to Transform Northeast Connectivity

Target:UPSCMPSCTeachingPrelims HighMains Medium
14 Feb 2026
~2 min
Source: Indian Express
Key Data:Rs 18,662 crore34 km33.7 Km15.79-km5 years240 km to 34 km
Bodies:Cabinet Committee on Economic Affairs (CCEA)Ministry of Railways
Practice MCQs from today's news ▸
What This Article Covers

1.The CCEA approved India's first underwater twin-tube road-cum-rail tunnel under the Brahmaputra River, connecting Gohpur and Numaligarh in Assam.

2.The project, costing Rs 18,662 crore, will reduce travel distance from 240 km to 34 km and travel time from 6 hours to 20 minutes.

3.It will be the second such tunnel in the world and is expected to generate 80 lakh person-days of employment, enhancing strategic and economic linkages in the Northeast.

The Big Picture
Prelims · HighMains · Medium

The Cabinet Committee on Economic Affairs (CCEA) has approved India's first underwater twin-tube road-cum-rail tunnel under the Brahmaputra River in Assam at a cost of Rs 18,662 crore. This 34-km mega-project will slash travel time between Gohpur and Numaligarh from 6 hours to 20 minutes, dramatically improving multimodal connectivity for Assam, Arunachal Pradesh, and Nagaland. It's a strategic infrastructure leap for the Northeast, aimed at boosting trade, tourism, and economic integration.

Exam Lens

Quick Exam Facts From News

Project CostRs 18,662 crore
Total Length33.7 km
Underwater Tunnel Length15.79 km
Employment Generation80 lakh person-days
Travel Time Reduction6 hours to 20 minutes
Execution ModeEngineering, Procurement and Construction (EPC)
Approving BodyCabinet Committee on Economic Affairs (CCEA)
Connected National HighwaysNH-15 and NH-715

1-Minute Revision

  • ›Project Cost: Rs 18,662 crore
  • ›Total Length: 33.7 km
  • ›Target this Data: Rs 18,662 crore (Total Capital Cost), 33.7 km (Total Project Length), 15.79 km (Underwater Tunnel Length), 80 Lakhs (Person-days of Employment).
  • ›Target this Nodal Body: Cabinet Committee on Economic Affairs (CCEA) - approving body; Ministry of Railways - implementing agency.
  • ›Target this Geographical Point: Brahmaputra River (the river under which the tunnel passes); Connects Gohpur (NH-15) to Numaligarh (NH-715) in Assam.

Mastered this topic? Test your knowledge with a full MCQ quiz.

Practice exam-style questions, track your score, and strengthen your recall.

Q1Static LinkageEasy

Which high-level committee approved the construction of India's first underwater twin-tube road-cum-rail tunnel in Assam?

Q2Statement-basedHard

Consider the following statements regarding India's first underwater twin-tube road-cum-rail tunnel project in Assam:

1. The total length of the project is 33.7 km, which includes a 15.79 km underwater tunnel beneath the Brahmaputra River.

2. The project will connect Gohpur on NH-52 to Numaligarh on NH-715, reducing the travel distance from 240 km to 34 km.

3. It is expected to be the first underwater road-cum-rail tunnel in the world upon completion.

Which of the statements given above is/are correct?

Q3Data-centricMedium

What is the estimated total capital cost of India's first underwater twin-tube road-cum-rail tunnel project in Assam, as approved by the CCEA?

Q4Application/ImpactMedium

What is the primary strategic objective behind constructing India's first underwater twin-tube road-cum-rail tunnel in Assam?

All 15 MCQs ▸
You finished this topic
Explore Related Topics
Related Current Affairs
Infrastructure Current Affairs

Bairabi-Sairang Railway Line Completes 1 Year: 15 Lakh Passengers, Rs 8,000 Cr Connectivity Boost in Mizoram

The Bairabi-Sairang railway line in Mizoram completed one year of operation, connecting the state capital Aizawl to the national rail network for the first time. With over 15 lakh passengers and 2,500 wagons of freight handled, the Rs 8,000 crore project has boosted tourism by 86% and opened new economic opportunities. This is a key example of infrastructure development in the Northeast, relevant for UPSC GS1 (geography & regional development) and GS3 (infrastructure & economy).

Infrastructure Current Affairs

Kerala Drops SilverLine; 873 km Railway Upgrade Underway for North-South Connectivity

Kerala has dropped the proposed SilverLine high-speed rail project. Instead, the state is focusing on a massive 873 km railway upgrade to improve north-south connectivity, with 267 km of projects already underway at a cost of ₹11,271 crore. This is a key infrastructure shift with implications for Kerala's development and the national rail network.

Infrastructure Current Affairs

₹25,106 Cr for 18 Rail Projects to Boost Haldia Port Connectivity in Eastern India

Indian Railways has initiated 18 projects covering 2,455 km to decongest and enhance rail connectivity to Haldia Port, a key eastern gateway for freight. With a total sanctioned cost of ₹25,106 Cr for 8 projects, this is a major infrastructure push under PM Gati Shakti, directly relevant for Prelims data and Mains questions on logistics, port-rail integration, and regional development.

Infrastructure Current Affairs

Rishikesh-Karnaprayag Rail Project: ₹37,000 Cr, 125 km, Set for December 2029 Completion

The Rishikesh-Karnaprayag rail project, costing ₹37,000 crore, is targeted for completion by December 2029. With 78% overall progress and 97% tunnel excavation done, it will improve connectivity to the Char Dham pilgrimage corridor, boost tourism, and strengthen border connectivity in Uttarakhand. This is a key infrastructure project for UPSC prelims (data points) and mains (infrastructure, regional development, border infrastructure).

Infrastructure Current Affairs

Cabinet Approves ₹8,970 Cr, 135.87 km NH-15 Guwahati-Tezpur Corridor with ELF for IAF

The Union Cabinet approved a 135.87 km, ₹8,970 crore Guwahati-Tezpur corridor on NH-15 in Assam, developed on BOT toll mode. It includes an emergency landing facility (ELF) for IAF, five bypasses, and connectivity to 8 PM Gati Shakti economic nodes. This project is a high-yield topic for Prelims data and Mains infrastructure/regional development.

Infrastructure Current Affairs

₹3,198 Cr Railway Projects for Seemanchal Bihar: 764 Km New Lines, 11 Projects, Katihar Redevelopment

Indian Railways has planned 764 km of new line projects worth ₹3,198 Cr to boost connectivity in Bihar's Seemanchal region, linking it with West Bengal and North-Eastern states. The expansion includes 11 projects at various stages, and Katihar Junction (handling 172 passenger trains daily) has been identified for redevelopment under the Amrit Bharat Station Scheme.

Infrastructure Current Affairs

Karnataka's ₹1.5 Lakh Cr Bengaluru Infra Push: Tolled Tunnel Roads Spark 'Poor Subsidising Rich' Debate

Karnataka is pushing nearly ₹1.5 lakh crore in Bengaluru road projects (twin-tunnels, elevated corridors, PRR). Activists and economists argue these are car-centric 'white elephants' funded by public money (40% Viability Gap Funding) and heavy tolls, creating a case of the poor subsidising the rich. This raises critical questions about infrastructure priorities, public finance, and urban planning for exams.

Infrastructure Current Affairs

Ahmedabad Becomes 3rd Indian City with Hub-and-Spoke Model; Boosts International Connectivity via Delhi to 15 Destinations

Ahmedabad launched hub-and-spoke international flight services, becoming the third Indian city after Amritsar and Varanasi. This model allows passengers from smaller cities to complete baggage, customs, and immigration checks at the originating airport, eliminating repeated procedures at the hub. The move aims to enhance global connectivity for Gujarat's large NRI community and boost trade, tourism, and industries like textiles, pharmaceuticals, and diamonds.