Hi @P SRINIVAS​ 

Can you please provide more specific details about the issue, so the community can throw their thoughts on it, if you still face the issue, please follow the below link.

For any issue with Academy learning/certifications, you can raise a ticket in the below link, sharing it with you for your future reference as well.

https://help.databricks.com/s/contact-us?ReqType=training

Happy Learning!!