Introduction to Mihrapu: There are two double doors on both sides of the east wall of the main hall for people to enter and exit. In the middle, there is a Mihrapu (round arch-shaped on the wall) 1.8 meters wide and nearly 4 meters high. pattern), with two windows on each side. There is also a Mihrapu on the west wall of the main hall, which is 4.3 meters high and 3.1 meters wide. Here is the platform where the Great Mullah lectures. There are five niches on the north side of Mihrapu and four on the south side.