PM Modi inaugurates India's first underwater metro in Kolkata
Prime Minister Narendra Modi inaugurated India's first under-river metro tunnel in Kolkata. The metro tunnel has been built under Kolkata's Hooghly River that will connect Howrah Maidan to Esplanade. The 4.8 km stretch between Howrah Maidan and Esplanade is the second section of the East-West Metro corridor between Howrah Maidan and the IT hub Salt Lake Sector V.