New Delhi, Oct 12: The Unique Identification Authority of India has come out with a set of instructions to lock the biometric details of Aadhaar card holders. The UIDAI said that if a person doesn’t intend to use his/her biometric details, he/she can lock it. This can be done using a tool on the official website of the UIDAI.

The locking system of Aadhaar biometric details enables a user to temporarily lock the details. “This is to protect privacy and confidentiality of resident’s biometrics Data,” the UIDAI added on its website.

Here are the steps to lock biometric details.

  • Log on to the website.
  • Then click on the Lock icon.
  • Add Aadhaar number in the field.
  • Enter security code.
  • A one-time password will be sent to your registered number.
  • Use the one time password to lock the details.



What are Biometrics?
Fingerprint and iris data used for authentication.

Enable/Disable Biometric Lock:
Aadhaar Biometric Locking System enables residents to lock & temporarily unlock their biometrics.

What happens when Biometrics is locked:
Locked Biometrics ensures the Aadhaar holder will not be able to use their Biometrics (fingerprints/iris) for authentications thus preventing potential misuse.

How to Unlock (locked)Biometrics:

Once resident enables Biometric Locking system their biometric remains locked till the Aadhaar Holder chose to:

  • Unlock it (which is temporary )or
  • Disable the Locking system

Registered Mobile Number is essential to avail this service. In case your mobile number is not registered with Aadhaar visit the nearest Enrolment Centre/Mobile Update End Point.