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India's first under-river Metro, Kolkata Metro's Green Line, opens after over 100 years. The underwater railway in Kolkata was proposed by British engineer Sir Harley Dalrymple-Hay in 1921.

Kolkata Metro created history on Wednesday when its rake ran through a tunnel under a river for the first time in the country, a senior official said here. The Metro rake which had only officials ...

The Kolkata metro created history as for the first time in India after a rake ran in a tunnel under the river on Wednesday, an official said. Trial of regular trains from Howrah Maidan to ...

the city was founded in 1698 and served as the capital of British India till 1911 and then was shifted to Delhi. The city was renamed, Kolkata in 2001. Located along the banks of river Hoogly ...