The correct answer is: A. 1975.
Dr Yashwant Singh Parmar University of Horticulture and Forestry (UHF) was established in 1975 by the Government of Himachal Pradesh. It is located in Solan, Himachal Pradesh, India. The university offers undergraduate, postgraduate, and doctoral programs in horticulture, forestry, and allied subjects. It has a total of 12 schools and 10 research centers. The university has a strong focus on research and extension education. It has a well-equipped library and a state-of-the-art computer center. The university has a strong alumni network that is spread across the globe.
Option B is incorrect because the university was established in 1975, not 1965.
Option C is incorrect because the university was established in 1975, not 1985.
Option D is incorrect because the university was established in 1975, not 1990.