Har Mandir temple was the royal chapel - private temple of the royal family. The royal family celebrated the Hindu festival of Dussera and Gangaur here, apart from celebrating other family functions such as birthdays and marriages. In the Dussera celebrations, weapons and horses were worshipped here. The main deities worshipped in this temple are the Hindu deities Lakshmi Narayan, a combined representation of god Vishnu and his consort Lakshmi.