DMRC to introduce QR code, RuPay-based ticketing in move to go contactless As of now, Delhi Metro's airport express line is the only section of the network where the QR code-based ticketing system is being used. The airport express line also allows the use of National Common Mobility Card (NCMC) BusinessToday.In | February 15, 2021 | Updated 15:26 IST DMRC now plans to implement the QR code-based ticketing system on its nine corridors Delhi Metro Rail Corporation (DMRC) has announced the introduction of Quick Response (QR) codes and other payment-based systems with the aim of making entire ticketing process contactless. The initiative has been brought on as a response to the COVID-19 pandemic.