help here

Now, only those are eligible to login who qualify the criteria specified in clause (b) sub rule (1) rule 83 of CGST Rule,2017. As you have registered on the basis of graduation you fall under clause (c) sub rule (1) rule 83 of CGST Act,2017 hence, you are not able to login.

You can login only when exams are held for those who fall under clause(b) sub rule 1 of rule 83 of CGST Rule, 2017