In just 2 months 10 lakh people have downloaded mAadhaar, thus making it a very popular App among the users. This was shared on Twitter by Union Minister For Electronics & IT, Ravi Shankar Prasad. Effective from 8th September 2017, the Railways allowed m-Aadhaar as one of the proofs of identity for rail travel. mAadhaar is a mobile app from UIDAI or Unique Identification Authority of India on which a person can download his/her Aadhaar Card. For showing Aadhaar, the person undertaking the train journey, has to open the app and enter his/her password to show the Aaadhar Card on the smartphone. However, it can be done only on the mobile number to which Aadhaar has been linked.