Hi Manishkumar,
When you perform action to take picture I would suggest that when you execute the microflow set the time to the %CurrentDateTime%.This will be your Timestamp for the object.
Or use the system member store ‘createdDate’.
I think it should be fairly simple – just checking a single box:
https://docs.mendix.com/howto/data-models/working-with-images-and-files/