CMRL invites DPR bids for Chengalpattu and Wimco Nagar metro extensions, India July 26, 2026 | Asia Pacific News, News Chennai Metro Rail Limited (CMRL) has invited tenders to prepare two detailed project reports (DPRs) for proposed extensions of the Chennai Metro network to Chengalpattu in the south and to Wimco Naga... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password