India’s first underwater twin tube Road cum Rail tunnel project: The Cabinet Committee on Economic Affairs (CCEA) has approved the construction of the country’s first underwater twin tube road-cum-rail tunnel project. The new infrastructure project will be developed at an estimated cost of Rs 18,662 crore. India first underwater twin tube tunnel projectWhile the underwater twin tube road-cum-rail tunnel will be located in Assam, its impact will extend beyond the state, enhancing connectivity for Arunachal Pradesh, Nagaland and other Northeast region. India’s first underwater twin-tube Road-cum-Rail tunnel in Assam (Image: Ministry of Railways) India’s first underwater twin-tube Road-cum-Rail tunnel in Assam (Image: Ministry of Railways)India’s first underwater twin tube Road cum Rail tunnel: LengthThe total length of India’s first underwater twin tube road-cum-rail tunnel project will be 34 km. The project will feature two parallel tunnels, designed to facilitate smooth and high-capacity movement of both road and rail traffic.

Source: Indian Express February 14, 2026 23:28 UTC