India, April 11 -- A geo-fencing glitch in the newly launched RailOne ticketing app has left Central Railway (CR) officials scrambling, after it emerged that passengers can book unreserved tickets while already on a moving local train, undermining a key safeguard against ticketless travel.

The flaw in the ticketing app comes at a time when Mumbai's suburban rail network-its lifeline-is already strained by overcrowding and frequent delays.

Officials said the app's geo-fencing feature, meant to allow ticket purchases only within station premises, has failed to block mid-journey bookings. The loophole effectively defeats the purpose of upgrading from the earlier UTS app, which had encountered multiple issues.

Since early March, CR authori...