Chaudhary Kalu Ram Of Sarnau (d.1258 AD) was Born into a Burdak Jat family and was Jagirdar of Sarnau in Sikar.There were 84 villages in this Jagir. He expanded his area by taking care of his small Jagir. He had made that Jagir of 84 villages.Along with this, he made his jagir strong and prosperous by defeating all the Jagirdars of his surrounding area.
Chaudhary Kalu Ram had two sons Kunwar Padam Singh and Kunwar Jag Singh. And after his death his successor was Kunwar Padam Singh who’s died in Battle against Dhaka Jats.