It gained importance in early sixties when Agriculture University was setup as an extension of the Punjab Agriculture University, Ludhiana. Ever since, the Government ‘s positive policies have played a vital role in the economic development of the city. The industrial policy of the Government has attracted large number of entrepreneurs and has resulted into the industrialization in and around the city.

The largest district in Haryana until its 1966 reorganisation, some parts of Hisar were transferred to the newly created Jind district. In 1974, the Tehsils of Bhiwani and Loharu were transferred to Bhiwani district. Hisar was further bifurcated when Sirsa district was formed. Fatehabad district was later created as well.

Hisar is a divisional headquarters of the Hisar division and also the headquarters of Police Range. It is also a battalion headquarters of B.S.F. 3rd Bn. H.A.P. and commando force. In order to accommodate all of these departments, a five-storey District Administrative Complex was built, with the offices transferred in 1980. It adjoins the new Judiciary Complex, which is also made functional. This administrative and judiciary complex is the largest in Haryana; as a district headquarters it may be one of the largest in the country.