In sleeper, the Side Lower berth (window) is on the left side
while in all the AC coaches, all the Side Lower berth is on right side (track side window)
so, if you are wanting to record crossing videos, especially for sleeper passengers then they may try to book lower berth (if sleeper) and side lower berth (if 2/3ac).
This rake composition info is...
more... same for both the rakes of this Duronto.