Aadhaar , a 12 digit unique identity number issued to residents of India based on their biometric and demographic data. UIDAI was created to issue Unique Identification numbers (UID), named as “Aadhaar”, to all residents of India that is (a) robust enough to eliminate duplicate and fake identities, and (b) can be verified and authenticated in an easy, cost-effective way. The first UID number was issued on 29 September 2010 to a resident of Nandurbar, Maharashtra. .
The Unique Identification Authority of India (UIDAI) is a statutory authority established under the provisions of the Aadhaar (Targeted Delivery of Financial and Other Subsidies, Benefits and Services) Act, 2016 (“Aadhaar Act 2016”) on 12 July 2016 by the Government of India, under the Ministry of Electronics and Information Technology (MeitY).
Aadhaar is the world’s largest biometric ID system, with over 1.171 billion enrolled members as of 15 Aug 2017. World Bank Chief Economist Paul Romer, World Bank Chief Economist described it as “the most sophisticated ID programme in world”.