@BAIS, RAKSHA
When a folder is deleted in Linux it cannot be regenerated or restored. You will need to recreate the folder by using the mkdir command and replace the contents. If you just wanted to restore that single folder you could restore a VM from a backup you have and just copy over that folder.
Let me know if you have any questions with these steps and I will do my best to assist.
If you still have questions, please let us know in the "comments" and we would be happy to help you. Comment is the fastest way of notifying the experts.
If the answer has been helpful, we appreciate hearing from you and would love to help others who may have the same question. Accepting answers helps increase visibility of this question for other members of the Microsoft Q&A community.
Thank you for helping to improve Microsoft Q&A!