The Ministry of Railways on 13 September 20187 said it has decided to allow m-Aadhaar, a digital version of the Aadhaar card, as proof of identity for travellers in any reserved class.
The m-Aadhaar is a mobile app launched by the Unique Identification Authority of India (UIDAI) on which a person can download his/her Aadhaar card. It can, however, be downloaded only on the mobile number to which Aadhaar has been linked.
To show Aadhaar a passenger has to open the app and enter his/her password. “m-Aadhaar when shown by the passenger on his/her mobile after entering the password should be accepted as a proof of identity for undertaking journey in any reserved class over Indian Railways