The mobile number is linked to your Permanent Account Number (PAN) by updating your contact details on the Income Tax e-Filing portal.
- Log in to the official Income Tax e-Filing portal.
- Navigate to the 'My Profile' section and select 'Profile Settings.'
- Find and edit your contact information to enter the new mobile number.
- Complete the update by verifying the One-Time Passwords (OTPs) sent to your new mobile number and registered email ID.
This process ensures you receive important alerts and notifications for your PAN card.