Visit the Income Tax e-Filing portal: https://www.incometax.gov.in/
Click on “Quick Links”
Select “Link Aadhaar Status”
Enter your PAN and Aadhaar number
Click “View Link Aadhaar Status”
Check the status shown on the screen
If linked, it will show that PAN is linked with Aadhaar
If not linked, it will show that the linkage is pending or not done
You can also check by logging in to the Income Tax e-Filing portal and viewing your profile details
You can verify the status through the SMS service if available on the official income tax portal
You can contact the Income Tax Department helpline for assistance if the status is unclear