Visit the Income Tax e-Filing portal: https://www.incometax.gov.in
Click on “Link Aadhaar” under the Quick Links section
Enter your PAN and Aadhaar number
Enter your name as per Aadhaar
Enter your mobile number
Click on “Validate”
Enter the OTP received on your mobile number
Submit the request to link PAN with Aadhaar
Check the linking status on the portal after submission
If PAN and Aadhaar are already linked, the status will show as linked
If the details do not match, update the correct details in PAN or Aadhaar records first
You can also link PAN to Aadhaar by sending an SMS in the prescribed format to the designated number, if the service is available