Log in to the GST portal using your credentials
Go to Services
Select Registration
Click Amendment of Registration Core Fields
Choose the option to add or edit additional place of business
Enter the new business address details
Upload required supporting documents for the new place of business
Verify the details using DSC, EVC, or e-Sign
Submit the application
Note the ARN for tracking the application status
Wait for GST officer approval if required
Download the amended GST registration certificate after approval