India Launches 5.8 Km Stretch of Nation’s First Underwater Metro Corridor
In a first in the country, tunnels have been bored under the Hooghly river to connect the twin cities of Kolkata and Howrah through the underwater metro rail system. The estimated cost of the entire East-West Metro corridor is Rs 8,574.98 crore. The remaining portion of the underground metro corridor is expected to be completed by 2021.