To update the change of address on the PT Portal for Karnataka, kindly follow these steps:
1. Go to the Karnataka PT Portal by typing the URL in your browser:
https://pt.karnataka.gov.in/.
2. Login to your account using your username and password.
3. Once you're logged in, locate and click on the 'Profile' or 'Company Profile' section.
4. In this section, you should find an option to 'Edit' or 'Update' your company information.
5. Click on the 'Edit' or 'Update' button, and you will be able to change the address of your office.
6. Input the new office address in the relevant fields.
7. After checking that all the information is correct, click on the 'Save' or 'Submit' button to update the information.
8. You will receive a confirmation message or email confirming that your address has been successfully updated.
Remember, it is important to keep your company information up-to-date to avoid any legal complications. As per the Karnataka Shops and Commercial Establishments Act, 1961, it's mandatory for all organizations to notify the authorities about changes in their registered office's address within 15 days of such change.