Hi Ekambaram Achari,
Thank you to reaching out to Microsoft Q&A forum.
This is a temporary issue and will be resolved shortly. We will notify you in the comment section once it's fixed. In the meantime, we kindly request that you complete the remaining learning modules.
If you have any more concerns in future, please do not hesitate to reach out to us we are here to help you.
If you have found the answer provided to be helpful, please click on the "Accept Answer and Upvote" button so that it is useful for other members in the Microsoft Q&A community.