Alstom unveils first trainset for Mumbai Metro Lines 4 and 4A, India October 14, 2026 | Asia Pacific News, News Alstom has unveiled the first of 39 driverless Metropolis trainsets for Mumbai Metro Lines 4 and 4A in Maharashtra state, India. The trainset was manufactured at the company’s Sri City facility in And... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password