Railway Passenger can now use m-Aadhar as proofs of identity for rail travel purpose in any reserved class. m- Aadhar is a mobile app launched by UIDAI on which a person can download his or her Aadhar Card.<br/><br/>It can be done only on the mobile number to which Aadhar has been linked. Railway Ministry said, for showing Aadhar, the person has to open the app and enter his or her password to show the Aadhar Card.