Why aren't my photos going in my photos section?

[Windows Central Question]

why my photos are not getting in my photos section??

recently i bought 16gb SDcard. after inserting into my lumia 520.. formatted and then connected to my pc and copied all my photos into their respective folders like saved pictues and camera roll but photos with other folders are not showing in my phone..

i tried hard in getting this problem solved.. but i failed.. please help to solve my problem.. thanks..