The Mosque of Ali Vardi Khan is situated to the north of Gurgaon railway station. It was built by Nawab Ali Vardi Khan in the reign of Mohammad Shah II, the Mughal king of Delhi. It is said that mosque of this type with a sarai and a well were erected at each eleventh mile from Delhi to Ajmer for the convenience of the travellers. The sarai doesn’t survive now.It is a three-bay mosque constructed of red sandstone, brick and lime mortar. The Mosque had two minarets, only one out of two survive now.The mosque had a platform in front.
In view of its historical importance, it was declared protected as a monument of national importance vide notification no. 13990 dated 04.05.1926.