Indian Railways approves Arakkonam–Chengalpattu rail doubling project in Tamil Nadu, India May 29, 2026 | Asia Pacific News, News Indian Railways has approved the Arakkonam–Chengalpattu rail doubling project in Tamil Nadu state, with an estimated investment of INR9.93 billion. The 68-km project, under Southern Railway, is intend... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password