==Origin of name== Sirsa is said to be one of the oldest places of North India and its ancient name was Sairishaka, which finds mention in the Mahabharata, Panini`s Ashatadhayayi and Divyavadan. In the Mahabharata, Sairishaka is described as being taken by Nakula in his conquest of the western quarter. It must have been a flourishing city in the ....