First underwater rail tunnel in India is constructed under which river

First underwater rail tunnel in India is constructed under which river


Answer: Hugli River

India's First Underwater Rail Tunnel Completed. The two organizations Afcons Transtonnelstroy and Kolkata Metro Railway Corporation Ltd (KMCRL) involved in implementing the East West Metro have completed boring the India's first underwater tunnel under the Hooghly river to link Howrah and Kolkata.

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