Aadhar Card Biometric Lock/ Unlock: आधार कार्ड बायोमेट्रिक लॉक/अनलॉक कैसे करें?, जानिए स्टेप बाय स्टेप प्रोसेस 

Aadhar Card Biometric Lock & Unlock – Complete Guide

About Biometric Lock/Unlock

The Unique Identification Authority of India (UIDAI) allows Aadhar card holders to temporarily block or enable the use of their biometric data (fingerprint and iris). Locking prevents any authentication using biometrics until you unlock it, protecting your privacy and preventing misuse of your Aadhar number.

Why Secure Your Aadhar Biometrics?

• Prevents unauthorized authentication using your fingerprint or iris.
• Helps stop fraudulent use of your Aadhar number.
• Gives you control over when your biometrics can be used.

Prerequisites

• Registered mobile number linked to your Aadhar.
• Access to the official UIDUI website: https://www.uidai.gov.in

How to Lock Your Aadhar Biometrics

1. Visit www.uidai.gov.in.
2. Click on My Aadhaar → Aadhaar Services → select Lock/Unlock Biometrics.
3. Check the box stating: “I understand that once biometric lock is enabled, I will not be able to perform biometric authentication until I unlock it.”
4. Click Lock/Unlock Biometrics.
5. Enter your Aadhaar number and the CAPTCHA code.
6. Receive an OTP on your registered mobile number, enter it.
7. If the service is available, you will see a message confirming that biometric locking can be enabled. Click Enable Locking Feature.
8. Your biometrics are now locked and cannot be used for authentication.

How to Unlock Your Aadhar Biometrics

1. Go to www.uidai.gov.in.
2. Select My Aadhaar → Aadhaar Services → Lock/Unlock Biometrics.
3. Enter your Aadhaar number and CAPTCHA, then click Send OTP.
4. Enter the OTP received on your registered mobile.
5. Click Unlock Biometrics. Your biometrics will be unlocked for a limited period (as defined by UIDUI) allowing fingerprint or iris verification.
6. After the temporary period expires, the biometrics automatically revert to the locked state.

Official Links

Frequently Asked Questions

• Can I lock only fingerprint or only iris? No, the lock applies to all biometric data linked to your Aadhaar.
• Is there any fee for locking or unlocking? UIDAI does not charge any fee for this service.
• How long does the unlock period last? The temporary unlock duration is set by UIDAI and is displayed after successful unlocking.
• What if I change my mobile number? Update your mobile number in the Aadhaar database first; otherwise you will not receive the OTP.
• Will my Aadhaar number be affected? No, only the biometric authentication capability is blocked or enabled.
• Can I use my Aadhaar for offline services while locked? Yes, the lock affects only biometric verification, not the Aadhaar number itself.
• What should I do if I don’t receive the OTP? Ensure your registered mobile number is active and correct; you can request a new OTP.
• Is the lock permanent? No, you can unlock anytime using the same process.
• Do I need an internet connection? Yes, to access the UIDAI portal and receive OTP.
• Can I lock my biometrics from a mobile app? The service is currently available only through the UIDAI website.

Conclusion

Locking and unlocking your Aadhar biometric data is a simple yet powerful way to safeguard your identity. By following the step‑by‑step process on the official UIDAI portal, you can control when your fingerprint and iris are usable for authentication, thereby enhancing privacy and preventing misuse. Keep your registered mobile number updated, and use the service whenever you feel the need for extra security.

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