The process to change/ update mobile number in Aadhaar card has become easy due to the features introduced by UIDAI's online portal. Know the detailed process here. "In order to enroll yourself or your family member for Aadhaar” or “To update any demographic detail (Name, Address, DOB, Gender, Mobile Number , and Email) or biometrics (Finger Prints/Photo/Iris) in your Aadhaar” you may visit an Aadhaar Seva Kendra. Visit the SSUP portal . Enter your Aadhaar number and the OTP sent to your registered mobile number. Select ‘Mobile Number’ for update. Enter the new mobile number and submit the request. An Update Request Number (URN) will be generated for tracking the status. You can apply for update /correction of your Aadhaar Card data online. This service is provided by the Unique Identification Authority of India (UIDAI). 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.