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India’s first underwater twin-tube Road-cum-Rail tunnel in Assam: Here’s how this project could transform Northeast connectivity

TT Editor·Updated: 14 Feb 2026 2:05 pm IST
Read time: 1 min
India’s first underwater twin-tube Road-cum-Rail tunnel in Assam: Here’s how this project could transform Northeast connectivity

India’s first underwater twin-tube Road-cum-Rail tunnel in Assam: Here’s how this project could transform Northeast connectivity

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