You can check the Aadhaar and PAN card link status on the Income Tax Department's official e-Filing portal.
- Visit the e-Filing portal and select "Link Aadhaar Status" found under the Quick Links section on the homepage.
- Enter your PAN and Aadhaar Number in the designated fields.
- Click "View Link Aadhaar Status" to instantly see the current status of the linkage.
This is the most reliable method, as the information is retrieved directly from the government's records.