While updation of biometrics (fingerprint, iris and photo) in Aadhaar costs ₹125, updation of demographic details (name, gender, DoB, address, mobile number or email address) costs ₹75. To get documents like proof of identity and address updated, one must pay ₹75 at an Aadhaar centre, while it can be done free of cost on the myAadhaar portal until June 14.