Haryana was carven out of the Indian state of Punjab on first Nov 1966. This state was shaped on the recommendation of the Sardar Hukam Singh Parliamentary commission. The establishment of this commission was introduced in the Parliament on 23 Sept 1965. On 23 April, 1966, working on the recommendation of the Hukam Singh commission, the Indian Govt. set up the Shah Commission under the chairmanship of Justice J. C. Shah, to split and put the boundaries of Panjab and Haryana.
The committee gave its report on 31 May, 1966. According to this report the districts of Karnal, Mahendergarh, Hissar, Rohtak, and Gurgaon were to become a part of the new state of Haryana. Further the Narwana (district Sangrur) Naraingarh, Tehsils of Jind (district Sangrur), Jagadhari and Ambala were also included. The committee suggested that Tehsil Kharar (including Chandigarh) should also be a part of Haryana. Later on getting the report of the Shah Commission, the Indian Govt. passed Punjab reorganisation bill, 1966 on 18 September, 1966. According to this bill, the boundary of the Haryana was to be as follows:
* The Pinjore circle of Kharar tehsil (district Ambala)
* The Jind and Narwana tehsils of Sangrur district
* The districts of Hissar, Rohtak, Gurgaon, Karnal and Mahendergarh
* Part of the Mani Majra circle of Kharar tehsil
* The Ambala, Jagadhari and Naraingarh tehsils of Ambala district
It was also decided that the 2 states of Punjab and Haryana will have a mutual High Court known as the ‘Panjab & Haryana High Court’. The other divisions of the bill treated with matters like partition of the Parliament seats in Rajya Sabha and Lok Sabha.