What can i do in this situation? anyone suggest me.

Hi @Yogesh Akar

I am from the Trailhead help team. May I request you please let us know if any of the above responses helped you resolve the issue? If yes, kindly share the solution that helped you resolve the issue or please make sure to mark the response which helped you to resolve your query as 'Best Answer' so that it might help the fellow Trailblazer's who are facing the similar issue. 

Else, please let us know the Trailhead module/badge that you are working on so that we can go ahead and create a case on behalf of you and can assist accordingly.