Tunnelling work commences on Delhi–Ghaziabad RRTS stretch, India June 29, 2022 | Asia Pacific News, News Tunnelling work has commenced on the 5.5-km underground stretch of the Delhi–Ghaziabad rail rapid transit system (RRTS) project. The project is being developed by the National Capital Region Transport... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password