DMRC to operate and maintain Mumbai Metro Line 3, India May 28, 2023 | Asia Pacific Company News, Asia Pacific News, Company News, News The Mumbai Metro Rail Corporation (MMRC) has awarded a contract to Delhi Metro Rail Corporation (DMRC) for the operation and maintenance of Mumbai Metro Line 3 for a period of 10 years. The undergroun... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password