My application is used for security purpose. so, from my application user captures photos that all photos are stored in a folder that folder should not access from any other app
Try following solution:
How to store a file in Hidden mode
Although it is not exactly what you want and I doubt whether it is possible or not. The best option would be to make it hidden but that also works with constraint (works for linux and not for Windows, still other applications can access the folder)
How to hide the folder of sdcard in android
How to make a file hidden in android sd card?