Do you know that you can lock the biometric details of your Aadhaar card?If you suspect that your Aadhaar biometric details can be compromised, you have a choice to lock the biometric details of your Aadhaar. You can do it only in online. Here is the URL, which provides such facility https://resident.uidai.gov.in/biometric-lock. At this link, you can give your Aadhaar number along with a security key. An OTP will be sent to your registered mobile using which you can lock your biometrics.
After it got locked, you can unlock it for 10 minutes for any authentication purpose or you can disable the locking system if you don't want to use the locking facility.