Most suitable place to keep Ramdarbar photo according to Vast Shashtra is in East direction.
Photo should be facing West .
If there is pooja room in house/flat than photo should be fix with eastern wall facing west . If there is not any pooja room than photo of Ram darbar should be keep/stick at eastern sided room on eastern wall . Except Ram Darbar the God Vishnu and Lakshmi photo should be keep there.