The railways will move towards contactless ticketing like at airports with QR code-enabled tickets, which will be scanned on handheld devices and mobile phones at the stations and on the trains, a senior official of the national transporter said on Thursday.

source https://gadgets.ndtv.com/internet/news/railways-to-get-contactless-ticketing-with-qr-code-enabled-tickets-2268194#rss-gadgets-all