How Kolkata is creating history with India's first underwate

Kolkata metro authorities undertook a trail run on 12 April from Howrah Maidan to Esplanade, with only officials and engineers on board. The underwater metro line is expected to be open for commuters by the end of 2023

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Kolkata , West Bengal , India , Howrah Maidan , Hooghly , Sealdah , Howrah , P Uday Kumar Reddy , Metro Railway , East West Metro , East West Metro Corridor , Kolkata Metro , Underwater Metro , Mint Explained ,