Visit the Income Tax e-Filing portal
Click on the Aadhaar-PAN linking option
Enter your PAN number
Enter your Aadhaar number
Enter your name as per Aadhaar
Enter your mobile number
Verify the OTP sent to your mobile number
Submit the request
Check the status of Aadhaar-PAN linking on the portal
Use the SMS method if required by sending the prescribed message to the specified number