The correct answer is C. Sheikh Abdullah.
Sheikh Abdullah was a Kashmiri politician who founded the All Jammu and Kashmir Muslim Conference in 1931. He was the Prime Minister of Jammu and Kashmir from 1947 to 1953 and again from 1975 to 1982. He is considered to be one of the most important figures in the history of Kashmir.
Shah Hamdan was a 14th-century ruler of Kashmir. He is not known to have founded any political parties.
Farooq Abdullah is the son of Sheikh Abdullah. He was the Chief Minister of Jammu and Kashmir from 1982 to 1984, 1986 to 1990, and 1996 to 2002. He is not known to have founded any political parties.
Ghulam Rasool Santosh is a Kashmiri politician who was the President of the Peoples Democratic Party from 2002 to 2009. He is not known to have founded any political parties.