Visit the nearest Aadhaar Enrolment/Update Centre
Fill out the Aadhaar Update/Correction form
Select Date of Birth as the field to update
Provide valid proof of date of birth
Submit the form along with the supporting document
Complete biometric verification if asked
Pay the applicable update fee
Collect the Update Request Number (URN) slip
Check the update status online using the URN
Download the updated Aadhaar after the change is approved