@Venkat karidi Welcome to Microsoft Q&A Forum, Thank you for posting your query here!
If you haven't configured Azure Backup? Than you need to contact Azure Support Team. . If Azure Back up is configured this article will help you in this scenario: Recover files from Azure virtual machine backup
Note: If it is production data that got deleted, Recommended to reach out to Azure Support immediately. They may be able to recover the data if not too much time has elapsed.
Additional information: How to restore Azure VM data in Azure portal
When a disk is deleted, it depend of it is soft deleted or hard, If hard deleted then there will be a garbage collection triggered at the backend
If it's a soft delete , then there won't be Garbage collection will be initiated
This article describes the data restore scenarios for Azure Storage service: https://learn.microsoft.com/en-us/troubleshoot/azure/general/data-restore-storage
Fundamentals of garbage collection: https://learn.microsoft.com/en-us/dotnet/standard/garbage-collection/fundamentals.
If you have any additional questions or need further clarification, please let me know.
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