Visit the Income Tax e-Filing portal: https://www.incometax.gov.in/
Click on “Link Aadhaar” under the Quick Links section
Enter your PAN number
Enter your Aadhaar number
Enter your name exactly as per Aadhaar
Enter your mobile number
Click on “I validate my Aadhaar details”
Enter the OTP sent to your mobile number
Submit the request
Check the link status on the portal after submission
If required, pay the applicable fee before linking
Ensure PAN and Aadhaar details match exactly before submitting