When the state of Haryana was formed in 1966, the state had …….. number of districts.

The correct answer is: C. Six

Haryana was formed on November 1, 1966, as a result of the reorganization of the state of Punjab. The new state comprised six districts: Ambala, Gurgaon, Hisar, Rohtak, Sirsa, and Faridabad.

Option A is incorrect because Haryana had six districts when it was formed in 1966.

Option B is incorrect because Haryana had six districts when it was formed in 1966.

Option D is incorrect because Haryana had six districts when it was formed in 1966.