How to Activate the Biometric Lock for Your Aadhaar

mAadhar App

The Aadhaar biometric lock serves as a protective feature, enabling individuals to disable the use of their biometric data for authentication linked to their Aadhaar card. This security measure prevents the utilization of fingerprint and iris scan data for identity verification. There are several reasons why one might consider activating the Aadhaar biometric lock. For instance, in cases of a lost Aadhaar card or concerns about potential identity theft, implementing this lock can significantly enhance privacy and security.

Also Read: How to Link Aadhaar with Mobile Number using TollFree?

To enable the Aadhaar biometric lock, you have two options: visit an Aadhaar enrollment center in person or use the convenient online Aadhaar portal. Now, you can also apply Aadhaar Card for children up to 15 years.

How to lock your Aadhaar biometric information securely

  1. Access the Official UIDAI Website Start by navigating to the official UIDAI website at “”
  2. Find the “Lock/Unlock Biometrics” Option On the UIDAI homepage, locate and select the “Lock/Unlock Biometrics” option to proceed with the process.
  3. Enter Your Aadhaar Number You’ll be prompted to input your 12-digit Aadhaar number into the designated field.
  4. Input the Security Code To confirm your human user status, enter the security code displayed on the webpage.
  5. Generate an OTP (One-Time Password) Click on the “Generate OTP” button, and an OTP will be promptly sent to your registered mobile number.
  6. Enter the OTP Retrieve the OTP from your mobile device and input it on the UIDAI website.
  7. Lock Your Biometrics Once the OTP is entered, you’ll have the option to lock your biometrics. Simply click on the “Lock” button to activate this vital security feature.

By following these steps, you can ensure the protection of your Aadhaar biometric data, enhancing the privacy and security of your identity. You should also read about how to link a PAN card and an Aadhaar card.

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About the Author: Ranjit Ranjan

More than 15 years of experience in web development projects in countries such as US, UK and India. Blogger by passion and SEO expert by profession.

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