Howrah Maidan Metro station is part of the Kolkata Metro network. It is an underground metro station on the east-west corridor of the Green Line of the Kolkata Metro . The line connects the Salt Lake Sector V area on the eastern side of the city with Howrah on the western side, passing through important places like Esplanade and Phoolbagan. Find below line details with connected stations , platform no. & terminal stations , and train timings: Services will be available from Howrah Maidan and Esplanade stations alternatively on East-bound and West-bound lines. Services will not be available on this stretch on Sundays. It is the deepest metro station in India. [1][2] To the east, the station connects to Mahakaran station in Kolkata through India's biggest under-river metro tunnel beneath the Hooghly river; [4][5] whilst to the west the adjacent station is Howrah Maidan. Learn about the Howrah Metro Station , the first underwater metro in India, that will connect Kolkata and Howrah by 2024. Find out the route map, station list, timings, fare and other details of the East West Metro Line.