Alstom to supply signalling system for Mumbai metro Line 3, India December 10, 2018 | Asia Pacific News France-based Alstom has secured a EUR100-million contract from Mumbai Metro Rail Corporation Limited (MMRCL) to supply a communication based train control (CBTC) system for Line 3 of Mumbai Metro. The... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password