To explore UIDAIs online services, click the Login button. To login, you must have your mobile number registered with Aadhaar . Users can access services such as downloading Aadhar , finding an enrolment centre, and so on. UIDAI , or the Unique Identification Authority of India, is a statutory authority established by the Government of India under the Ministry of Electronics and Information Technology. It is responsible for issuing a unique identification number called Aadhaar to all residents of India. The Aadhaar card is a 12-digit unique identity number that is linked to an individual's biometric and demographic data, which is stored in a centralized database. The Aadhaar number empowers residents of India ... Access Aadhaar services on the official UIDAI portal myAadhaar . uidai .gov.in. Download e-Aadhaar, update details, generate VID, and manage Aadhaar online.