Meaning of Aadhaar authenticationThe process by which the Aadhaar number along with the demographic or biometric information of the holder is submitted to the Central Identities Data Repository (CIDR) for its verification and such repository verifies the correctness, or the lack thereof, on the basis of the information available.
Modes of AuthenticationDemographic authentication: The Aadhaar number and demographic information of the holder obtained is matched with the demographic information of the Aadhaar number holder in the CIDR.One-time pin based authentication: A One-Time Pin (OTP), with limited time validity, is sent to the mobile number and/ or e-mail address of the Aadhaar number holder registered with the Authority, or generated by other appropriate means. The holder shall provide this OTP along with his Aadhaar number during authentication and the same shall be matched with the OTP generated by the Authority.Biometric-based authentication: The Aadhaar number and biometric information submitted by the holder are matched with the biometric information of the said Aadhaar number holder stored in the CIDR. This may be fingerprint-based or iris-based authentication or other biometric modalities based on biometric information stored in the CIDR.
Source: UIDAI
Aadhaar-based authentication | |
Month-Year | Number (in million) |
Aug-16 | 241.2 |
Sep-16 | 290.5 |
Oct-16 | 400.2 |
Nov-16 | 383.58 |
Dec-16 | 508.2 |
Jan-17 | 564.5 |
Feb-17 | 450.7 |
Mar-17 | 506.2 |
April-17 | 444.6 |
May-17 | 590.8 |
June-17 | 814.4 |
July-17 | 935.9 |
Source: UIDAI |
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