The correct answer is B. Bakshi Ghulam Mohammad.
Bakshi Ghulam Mohammad was the Prime Minister of Jammu and Kashmir from 1953 to 1965. He is credited with modernizing the state and bringing it into the 20th century. He built roads, bridges, schools, hospitals, and other infrastructure. He also introduced land reforms and promoted education.
Mehar Chand Mahajan was the Prime Minister of Jammu and Kashmir from 1947 to 1953. He was a conservative politician who opposed many of Bakshi Ghulam Mohammad’s reforms.
Prithvi Nath Dhar was a Kashmiri politician and diplomat. He served as the Foreign Secretary of India from 1968 to 1972. He was a close advisor to Prime Minister Indira Gandhi.
Hari Singh was the Maharaja of Jammu and Kashmir from 1925 to 1953. He acceded to India in 1947, leading to the First Kashmir War.