1. Go to the GST Portal

  2. Go to Services > Registration > Track Application Status

  3. Enter the ARN i.e. Application Reference Number and captcha

  4. You can view the details of the application along with its status

  5. If the status is ‘Approved’, log in to your account on GST Portal using credentials shared on your registered email 

Read more - Steps to login to GST Portal for first time