Users can update details such as name, gender, date of birth, address and mobile number. The request for correction/update can also be sent by post. Frequently Asked Questions are also provided to help users. You can book an appointment for Aadhaar Card Enrolment online. One portal for all online Aadhaar Services. What is the Aadhar Self Service Update Portal ( SSUP )? The Aadhaar Self-Service Update Portal ( SSUP ) by UIDAI is a game-changer for anyone looking to update their Aadhaar details quickly and easily. Over time, details like your address, mobile number, or other personal information might change.