Tata Projects secures tunnelling contract for Chennai Metro Corridor 3, India May 19, 2021 | Asia Pacific Company News India-based Tata Projects has secured a contract from Chennai Metro Rail Corporation Limited (CMRL) to develop 9-km-long twin-bored tunnels of Corridor 3 of Chennai Metro. The contract has been valued... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password