Dharhara is a small village in the Purnia district and is located 19 miles to the south of Raniganj. It is locally popular as the place where the mythological Hiranya Kans attempted to kill his son Prahlada to punish him for his devotion to Lord Vishnu. Famous Prahlad stambh & narsingh bhagwan mandir are situated here.narsingh bhagwan mandir dwar, dharhara
The village also consists of a monolith called maniktdham which is made of red granite of such fine texture that it looks similar to sandstone. The pillar is now inclined at an angle of 65 degrees due to the influence of the elements.