 According to the legend, Banasur was an aboriginal king.Some other sources say that since Banasur, son of Asur King Mahabali who is believed to be a central character in mythology and culture of Kerala, inherits his kingdom from his father and is believed to have ruled from Kerala.There is a hill named "Banasur Hill" and a dam, "Banasur Sagar Dam" dedicated to the memory of their great ruler's son Bana.