Rajgarh is a town and tehsil in the Churu district of northern part of Rajasthan state in India. The railway station in Rajgarh is known as Sadulpur. To distinguish Rajgarh from places with similar names, Sadulpur has become a synonym of town's name in recent times. It is close to the Haryana border. Sadulpur Railway Junction lies on Bikaner-Churu-Sadulpur-Delhi, Hisar-Sadulpur-Loharu-Rewari and Hisar-Sadulpur-Churu railway routes.