1. Visit e-filing website
2. Click on the “Link Aadhaar” on the left side of the page.
3. Enter your PAN number, Aadhaar Number, Name as per Aadhaar, captcha Code.
4. Click on the “Link Aadhaar” button.
5. If it is already linked then you will get a message “Your PAN is linked to Aadhaar Number …………”