The rough location of this mosque is 30°39'59.37"N, 73°39'14.56"E.
Shahi Masjid Depalpur is almost six hundred years old. It is constructed in Sultan Firuz Shah Tughlaq regin.
Sultan Firuz Shah Tughlaq (1309 – 20 September 1388) was a Turkish Muslim ruler of the Tughlaq Dynasty, who reigned over the Sultanate of Delhi from 1351 to 1388. He was the son of a Rajput Hindu princess of Dipalpur. His father's name was Rajab (the younger brother of Ghazi Malik) who had the title Sipahsalar.
Shahi Masjid Depalpur is mark of the magnificent period of Muslim rulers in Depalpur. The mosque is badly destroyed in Sikh era and converted into horse stable. The courtyard of mosque again repaired and enlarged in 1950.
When, inside floor of mosque is excavated 6 ft down for construction of new flooring; Sikh era alcohol refineries found.
Mosques walls constructed from mixture of black lentils, jaggery and gajni. It is said by old people’s such mortar gain strength after hundred years.
There is a tomb in courtyard of mosque, it is said that this grave is of religious man who came in depalpur for preaching Islam in era of Sikh reign.