| Purpose,Authority,Step_by_Step_Guide,Required_Documents,Eligibility_Criteria,Direct_Link,Minimum_Days,Amount,Helpline_Number,Helpdesk_Email_ID | |
| Lock/Unlock,UIDAI (Unique Identification Authority of India),"1. Login using Aadhaar and OTP | |
| 2. Choose to lock/unlock Aadhaar number or biometrics",Aadhaar number and OTP,Aadhaar holder,https://resident.uidai.gov.in/biometric-lock,Instant,Free,1947,help@uidai.gov.in | |