In the Past, Hardoi was the city of Hiranyakashyap and He was a traitor of Hari(God), so he named the City as Haridrohi. His son Prahlad was a devotee of Lord Hari and in order to kill him, Hiranyakasip had set up his sister Holika in the fire. Holika was a boon that she would not burn by fire. Holika and Prahlad sat down in Agni Kund. In which Holika was consumed in the fire and the devotee Prahlad was saved by Lord Vishnu.