Jama Masjid is one of the largest mosques in India, located in the Old Delhi area. The masjid was built as a major part in the city of Shahjahanabad, which included the Red Fort, Chandni Chowk and the adjoining markets. The mosque has three huge gates and four minarets striped with red and white sandstones. The mosque can house more than 25,000 people in one sitting, attracting huge numbers during festive seasons.
The mosque welcomes people with a flight of stairs at all gates: the northern gate with 39 steps, the southern gate with 33 steps and the eastern gate with 35 steps, which was also the rural entrance. The main prayer hall is made up of high cusped arches and domes. There are intricate engravings on the arches and also writings in Arabic and Urdu languages. There are 899 boxes, depicting a Muslim floor mat, made up of white and black marbles for worshippers to sit.