You can check the mobile number linked to your PAN card by accessing your account on the official Income Tax e-Filing portal.
- Log in to the e-Filing portal using your user ID and password.
- Navigate to the 'Profile Setting' or 'View PAN Details' section in your dashboard.
- Your complete PAN details, including the registered mobile number, will be displayed on the screen.
This is the most reliable way to confirm the contact details associated with your PAN.