The Unique Identification Authority of India or UIDAI is an agency under the central government of India mandated to collect demographic and biometric information of the country’s residents, store the data in a central database, and issue to each resident of the country a 12-digit unique identity number called Aadhaar. UIDAI was established as per the Aadhaar (Targeted Delivery of Financial and Other Subsidies, Benefits and Services) Act, 2016. The act is also called the Aadhaar Act 2016 in short. It comes under the Electronics & IT ministry. So far, it has issued over 111 cr. Aadhaar cards to residents in India. As per the 2016 Act, UIDAI is accountable for the authentication and enrolment of Aadhaar, and also to safeguard the data protection of identity information of individuals.