You can login to your account with Mobile number and OTP but in Go GST Bill you also have option to login with Userid and password. This method is useful when you do not want to wait for OTP or if your phone is not with you, or in case you lost your phone.
To create your Userid and Password please follow the steps below.
Step 1: Click on the profile icon, then click on the “Settings” option.
Step 2: : Under “Account Setting”, select “Login & Security.”
Step 3: Under the “User Details” section, enter your new “User ID,” “Password,” and “Confirm Password and click on ” Update Button”.