Mismatch of pincode and district while registering for itr

To resolve a district-pincode mismatch during ITR registration, try using an Incognito/Private window and ensure your browser's auto-fill is disabled. If the issue persists, complete the registration with the system's selection (if permitted) and update the correct details later via the "My Profile" section, or contact the official Income Tax e-filing helpdesk with a screenshot of the error.

Are you sure it can be updated later? After registration 

Are you sure it can be updated later? After registration 

Yes, please visit MY Profile Section to update as a communication address which will showing ITRs, for updating in PAN itself, please use online services and have these updated as needed.