Visit the nearest Aadhaar Enrolment/Update Centre
Carry your Aadhaar card or Aadhaar number
Fill out the Aadhaar Update/Correction Form
Request mobile number update in the form
Submit the form to the operator
Provide biometric authentication if asked
Pay the applicable update fee
Collect the Update Request Number (URN) slip
Check update status on the UIDAI website using the URN
Wait for the mobile number to be updated in Aadhaar records