Indian Railways approves Arakkonam–Chengalpattu rail doubling project, India May 20, 2026 | Asia Pacific News, News Indian Railways has approved the Arakkonam–Chengalpattu rail doubling project in Tamil Nadu, India, with an estimated investment of INR9.93 billion. The 68-km project is intended to strengthen Chennai... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password