About Jhajjar
Jhajjar is a city in Jhajjar district in the Indian state of Haryana. It was split off from Rohtak district on 15 July 1997. The city is situated on the road connecting Rewari to Rohtak(NH-71), Charkhi Dadri to Delhi and Gurgaon to Bhiwani. Jhajjar is located 55 km west of Delhi.
For their participation in 1857 rebellion, three main chiefs of Haryana were tried and hanged at Kotwali in Chandani Chowk of Old Delhi. Nahar Singh, the Raja of Ballabhgarh, was hanged on 9 January 1858. Abdur Rehman, Nawab of Jhajjar, was hanged on 23 January 1858. Ahmad Ali, Nawab of Farrukhnagar, was hanged on 23 January 1858.
Source : Wikipedia