CMRL awaiting Southern Railway approval to begin tunnelling at Villivakkam for Chennai Metro Phase II, India March 9, 2026 | Asia Pacific News, News Chennai Metro Rail Limited (CMRL) is awaiting approval from Southern Railway to begin tunnelling works for the underground section between Villivakkam Bus Terminus and Villivakkam under Corridor 5 of ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password