Hello @Siva Thank you for your post!
Application consistent backup promises the application running inside the machine is also backed up gracefully with the snapshot level backup that was taken, for example, if it is a SQL installed inside the machine....even SQL will get backed up and you will see a freeze and thaw of application which ensures the application is also aware of the backup.
It will be a good idea to inspect what happened on the machine which has put it into dirty shut state by engaging Windows Experts. Please contact support team by raising a support request.
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