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How To Keep Your Aadhaar Card Biometric Details Safe From Fraudsters? Guide by

By - Research Team    |    Updated On 23 May 2018 |    Financial Planning

How To Keep Your Aadhaar Card Biometric Details Safe From Fraudsters? Guide by


UIDAI allows you to temporarily lock and unlock your biometric information, to prevent any kind of misuse. Biometric information consists of iris, fingerprints and the facial photograph. Iris data and fingerprints will be used for authentication.  Once the biometric information is locked, no authentication is possible, till it is unlocked.

Now lot of complaints have been coming that Aadhaar numbers and personal information of several million Indians may have been leaked from government portals. However, UIDAI had said in response to an RTI query that the core biometric data of Aadhaar card holders have till date not faced any cyber attack.

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How to lock your Aadhaar card biometrics?

  • You need to go to the UIDAI website and click on "Lock/Unlock Biometrics" under the "Aadhaar Services" section.


  • Clicking on Lock/Unlock Biometrics will take you to a separate page called Lock/Unlock Biometrics. You will be asked to enter your 12 digit Aadhaar number and the security code in the specified fields. Once you finish entering all the information, OTP will be sent to your registered mobile number. You have to enter the OTP in the respective field and click Login.                            


  • After you login, enter the security code once again and click on enable. Your biometrics will be locked and you will not be able to use Aadhaar-based biometric authentication, unless it is unlocked.                                  


  • After your Aadhaar card biometric details are locked, The UIDAI will display the message "Congratulations! Your Biometrics are locked. You will not be able to authenticate using your fingerprints or iris. You can unlock biometrics temporarily for any authentication requirements. You can also disable the Locked Biometrics, but before that, you will be required to login using your Aadhaar."


Please Note: It is mandatory to have a registered mobile number to lock /unlock your Aadhaar card biometrics. If you have not registered your mobile number with Aadhaar, get it done by visiting the nearest Aadhaar Enrolment Centre.

SEE ALSO: How To Edit Aadhaar Card Online?
How to unlock Aadhaar card biometric details?

To unlock Aadhaar card biometric details, you have to again visit the UIDAI website and enter the Aadhaar number. After this, you will receive an OTP to unlock your Aadhaar card biometric details.


This is to inform that Suvision Holdings Pvt Ltd ("") do not charge any fees/security deposit/advances towards outsourcing any of its activities. All stake holders are cautioned against any such fraud.