Purpose,Authority,Step_by_Step_Guide,Required_Documents,Eligibility_Criteria,Direct_Link,Minimum_Days,Amount,Helpline_Number,Helpdesk_Email_ID Biometric Update,UIDAI (Unique Identification Authority of India),"1. Visit Aadhaar Seva Kendra 2. Provide Aadhaar details 3. Give new biometric (fingerprint, iris, photo) 4. Submit and collect slip",Aadhaar Card,Aadhaar holder requiring biometric update,https://uidai.gov.in,Up to 30 days, ₹100,1947,help@uidai.gov.in