The correct answer is B. Ballabhgarh.
Ahir rule was established at Ballabhgarh in Haryana during the period of Aurangzeb. The Ahirs are a Hindu warrior caste found in northern India. They are traditionally associated with cattle herding and agriculture. The Ahirs have a long history of resistance to Mughal rule. In the 17th century, the Ahirs of Ballabhgarh rebelled against the Mughal emperor Aurangzeb. The rebellion was successful, and the Ahirs established their own kingdom at Ballabhgarh. The Ahir kingdom at Ballabhgarh lasted for over a century. It was finally overthrown by the Mughals in the 18th century.
The other options are incorrect. Hisar was a Mughal stronghold during the period of Aurangzeb. Rewari was a Rajput kingdom during the period of Aurangzeb. Kurukshetra is a historical place in Haryana. It is associated with the Mahabharata.