Kolkata Metro System: QR code and UPI-based ticketing system gaining popularity among Kolkata metro commuters, ET Auto
Kolkata Metro System: Around the last one and half months of the new fiscal, total 13,19,173 paper Based QR Tickets have been sold from different ticket counters of Green Line 1 and Green Line 2. Apart from that commuters have also purchased QR Code Based Tickets using Metro Ride Kolkata app with the help of smart phones.
Source: indiatimes.com