When the GST Registration is approved by the GST Officer, the GSTIN and login credentials of the GST Portal are sent on the registered email. To login for the first time, follow these steps:

  1. Go to the Login page of GST Portal

  2. Below the Forgot Username title is the First Time Login section. Click on the link

  3. Enter Provisional ID, password and captcha text. Click on Login

  4. On the next page, enter the new username and password.  Click on Login

  5. Use the new credentials to login to the GST Portal.

Read more - GST Portal Login : First Time User