Visit the official GST portal: https://www.gst.gov.in
Click on Services
Select Registration
Choose New Registration
Fill in Part A of the registration form
Enter your legal name, PAN, email ID, mobile number, and state
Verify OTP sent to your email and mobile number
Receive a Temporary Reference Number (TRN)
Log in again using the TRN
Complete Part B of the registration form
Enter business details, promoter details, authorized signatory details, principal place of business, and additional places of business
Upload required documents
Submit the application using DSC, EVC, or e-Sign
Note the Application Reference Number (ARN)
Track application status on the GST portal
Respond to any clarification request if raised
Download the GST registration certificate after approval