The Kolkata Metro is making history by becoming India’s first metro system to operate underwater, running beneath the Hooghly River to connect key parts of the city with faster and more efficient transport; this state-of-the-art project will not only reduce travel time but also ease congestion on roads and bridges, offering passengers a modern, safe, and seamless travel experience; fe... https://businessmatters.in/kolkata-metro-to-run-underwater/