WhatsApp ticketing launched on Airport Line; Tunnelling works commence on Magenta Line Extension of Delhi Metro, India May 31, 2023 | Asia Pacific News, News The Delhi Metro Rail Corporation has launched a WhatsApp-based ticketing service on the Delhi Airport Express Line. Passengers can book tickets by scanning the QR code generated through the WhatsApp c... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password