Alstom to supply trains for Mumbai Metro Lines 4 and 4A, India March 31, 2021 | Asia Pacific News France-based Alstom has secured a contract from the Mumbai Metropolitan Region Development Authority (MMRDA) to supply rolling stock for Lines 4 and 4A of Mumbai Metro. The scope of work includes desi... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password