Visit the nearest Aadhaar Enrolment/Update Centre
Carry your Aadhaar card or Aadhaar number and a valid identity proof
Ask for the Aadhaar Update/Correction Form
Fill in the new mobile number in the form
Submit the form at the centre
Complete biometric verification if asked
Pay the applicable update fee
Collect the acknowledgement slip with the Update Request Number
Wait for the update to be processed
Check Aadhaar update status online using the URN
Use the updated mobile number for Aadhaar-linked services after the change is approved