Hello aniket,
it seems your 3 images have different orientations from default 0. Look at details option in photos pane. When the orientation is different from 0 than top left is no longer 0,0... in example I have 2 images with orientation 180 and 270. Clearly first image has origin at bottom right but if you rotate it to 0 than origin will be top left...
Hope this helps to clear things,