After Sealdah and Salt Lake Sector V stations, now paper -based QR code ticketing system has been introduced in Karunamoyee and Central Park Metro stations of EastWest Metro (Green Line).
After experimenting for around two-and-a-half months, the authorities of Kolkata Metro Railway have extended the paper-based QR code ticketing system to Salt Lake Sector V station of East-West Metro Corridor now.