C. Aadhaar Card
Aadhaar is a 12 digit unique-identity number issued to all Indian residents based on their biometric and demographic data. Aadhaar is the world's largest biometric ID system, with over 1.171 billion enrolled members as of 15 Aug 2017. As of this date, over 99% of Indians aged 18 and above had been enrolled in Aadhaar.
