Chambal river is a tributary of the Yamuna River.originating from the blood of thousands of cows sacrificed by the Aryan King Rantideva. The ancient name of Chambal River was Charmanvati, meaning the river on whose banks leather is dried. In the ancient times, large scale Yagya (prayer meetings in which also involve offerings to please God) used to be organized on the banks of this river and in these Yagyas animals were slaughtered and offered. According to Mahabharata, the color of river water would become red due to the flow of blood of the sacrificed animals and the skins of these animals were dried on the banks of the rivers. In due course of time, this river became famous as the river of ‘chamda’ (skin) and was named as Charmanvati.