It is Possible to lock your Aadhaar Number Digitally to prevent misuse by a third party. UIDAI has provided a facility for the purpose of Locking. It is first necessary to link a Active Mobile number with you Aadhaar Number to avail this service. Procedure for Locking / Unlocking Your Aadhaar Number: 1. Go to… Read More Lock Your Aadhaar to Prevent Misuse.