AADHAAR is the right of every citizen. It is mandatory for every citizen to have one aadhaar card. It is a proof of Identity and Address. Every citizen has to enroll for aadhaar card once in lifetime. Enrolling again and again for aadhaar card is a wastage of time as you will be allotted only one unique number every time.
Aadhaar card details
Aadhaar card is your proof of identity. You can use it as identity proof for any government and official work. Aadhaar number is 12 digit random number allotted to every citizen of India. The aadhaar number allotted to a person is for lifetime and no other number can be allotted to him as per UIDAI.