Now UIDAI Aadhaar Portal have option with which you can easily lock or unlock your Aadhaar Biometrics Stored in UIDAI Database. Once you get enrolled for Aadhaar Card you biometrics details are captured like you’re both eyes iris scan, finger prints, and your photo. So these all biometrics details can be locked from accessing. So how to lock or unlock your Aadhaar Card Biometrics Online you will get to know by following below guide on How to Lock or Unlock your Aadhaar Card Biometrics Online. Steps on How to Lock or Unlock your Aadhaar Card Biometrics Online To lock or unlock your Aadhaar Card Biometrics Online visit https://resident.uidai.net.in/biometric-lock Once you are on the Aadhaar Biometric Lock page, just fill up the form with your 12 digit UID Aadhaar Number, enter the security code as displayed in the image, click on generate OTP and enter the OTP received in your registered mobile number in the field and click on verify. Once you click on verify you will be moved to step 3 ...