Visit the GST portal: https://www.gst.gov.in
Click on Services
Select Registration
Choose New Registration
Fill Part A of the application
Enter legal name, PAN, email, and mobile number
Verify OTP sent to email and mobile
Receive Temporary Reference Number
Log in with the TRN
Fill Part B of the application
Enter business details, address, bank details, and authorized signatory details
Upload required documents
Submit the application using DSC, EVC, or e-Sign
Receive Application Reference Number
Track application status on the GST portal
Download GST registration certificate after approval