Tajul Masjid, the third largest mosque in the world is situated in the old city of Bhopal. Conceived by Nawab Shahjahan Begum, it is placed on a high platform with a huge courtyard. The main entrance is 74 feet high. The internal northern part was reserved for the women to perform the daily prayer. The western side of the mosque is the prayer hall, with nine doors supported by pillars and roof with 27 hollow domes. The pillars and walls demonstrate beautiful arabesque and floral designs. An international festival of Iztima for religious and theological discussions takes place every year at Tajul Masjid.