It is a double gate 15.25 meters high, 3.5 meters wide with a central arched opening. The outer central opening leads to a chamber 4.65 square meter which opens into the Langer Khana (the mess) through a long chamber 7 meters deep, having vault roofing. On the apex of the outer arch of the Langer Khana there is an inscribed sand stone slab fixed in the wall.