Gst.gov.in — username is invalid. please enter a valid username.

Address: Hyderabad, Telangana, 500080

Dear gst office,

I received a mail, intimation of gstin generated on approval of application for new registration

The first time username and password are received in the mail. When i tried logging in using the same, it is showing invalid username or password.

Please help me resolve the issue.
Your gstin is 36bchpb8470r1zy
Your login credentials are as under:-
Username - 36bchpb8470r1zy
Password - *

Mail: [protected]@gamil.com

Thanks