The correct answer is: D. Sheikh Mohammad Abdullah
Sheikh Mohammad Abdullah was a Kashmiri politician who founded the All Jammu and Kashmir Muslim Conference in 1931. He was the first Prime Minister of Jammu and Kashmir from 1947 to 1953. He was also the founder of the National Conference, which is the main political party in Jammu and Kashmir.
Hari Singh was the Maharaja of Jammu and Kashmir from 1895 to 1953. He was the ruler of the princely state of Jammu and Kashmir before it became a part of India in 1947.
Farooq Abdullah is the son of Sheikh Mohammad Abdullah. He was the Chief Minister of Jammu and Kashmir from 1982 to 1984, from 1986 to 1990, and from 1996 to 2002.
Omar Abdullah is the son of Farooq Abdullah. He was the Chief Minister of Jammu and Kashmir from 2009 to 2014.