UIDAI issues three types of cards
1: Aadhaar letter: This letter is the laminated paper-based letter you receive for an Aadhaar card the first time.
2: E-aadhaar: This is an electronic form of the Aadhaar card downloaded from the official website.
3: M-aadhaar: This is obtained on a mobile device using the mobile application.
4: Aadhaar PVC Card: The PVC-based Aadhaar card UIDAI has introduced is durable and easy to carry. It has various security features with a tamper-proof QR code.