Aadhaar is a 12 digit individual identification number issued by the Unique Identification Authority of India on behalf of the Government of India.The number serves as a proof of identity and address, anywhere in India. Aadhaar letter received via India Post and e-Aadhaar downloaded from UIDAI website are equally valid.
Any individual, irrespective of age and gender, who is a resident in India and satisfies the verification process laid down by the UIDAI can enrol for Aadhaar.
Individuals need to enrol only once but in case of multiple enrolment, the Aadhaar is generated against one of the enrolment ID’s while others are rejected as duplicate. Aadhaar Enrolment is free of cost for all the residents of India.
Aadhaar number is unique for each individual and will remain valid for life time. Aadhaar number will help the residents to avail various services provided by banking, mobile phone connections and other Govt and Non-Govt services in due course.
Some other information about Aadhaar are: