The correct answer is: C. Kurukshetra
Baba Kheda fair is a religious fair held in Kurukshetra, Haryana, India on the occasion of Raksha Bandhan. The fair is held at the Baba Kheda Mandir, which is dedicated to Baba Kheda, a saint who lived in the 18th century. The fair is attended by thousands of people from all over India. The fair is a major tourist attraction and is a popular place to buy souvenirs and gifts.
Option A is incorrect because Ambala is a district in Haryana, but Baba Kheda fair is not held in Ambala.
Option B is incorrect because Bhiwani is a district in Haryana, but Baba Kheda fair is not held in Bhiwani.
Option D is incorrect because Panipat is a district in Haryana, but Baba Kheda fair is not held in Panipat.