The correct answer is C. P. C. Alexander.
P. C. Alexander was the first Governor of Goa after the formation of Goa State on 30 May 1987. He was appointed by the President of India, R. Venkataraman. Alexander was a career diplomat and had served as Ambassador to the United States, the Soviet Union, and the United Kingdom. He was also the Governor of Tamil Nadu and Kerala.
B. Rachaiah was the Chief Minister of Goa from 1980 to 1985. He was a member of the Indian National Congress. Gopal Singh was the Governor of Goa from 1985 to 1987. He was a member of the Janata Party. Khurshed Alam Khan was the Governor of Goa from 1993 to 1996. He was a member of the Indian National Congress.