The limits of two districts, Ambala and Kurukshetra were varied to a greater extent when the district of Yamuna Nagar was created on 1st November, 1989. Jagadhri tahsil and Sadhaura sub-tahsil from Ambala district and Radaur block of Kurukshetra district constituted into Yamuna Nagar district. By the end of December, 1990, the district was divided into one sub-division (Jagadhri); two tahsils (Jagadhri and Chhachhrauli) and 3 sub-tahsils(Bilaspur, Sadhaura and Radaur).