Tunnelling works of Kolkata Metro East–West Line completed, India May 16, 2021 | Asia Pacific News India’s Ministry of Railways has completed the tunnelling works of East-West Corridor of Kolkata Metro. This corridor spans 16.6 km (10.8 km underground) and covers 12 stations. The project is e... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password