The correct answer is: c) Chief Minister.
The Chief Minister is the head of the state government in Sikkim. The Chief Minister is appointed by the Governor of Sikkim, who is appointed by the President of India. The Chief Minister is the leader of the party or coalition that has the most seats in the Sikkim Legislative Assembly. The Chief Minister is responsible for the day-to-day running of the state government and for appointing the ministers in the state government.
The King (Chogyal) was the head of state of Sikkim until 1975, when the monarchy was abolished. The Governor is the head of state of Sikkim since 1975. The President of India is the head of state of India.
The Chief Minister is the most powerful person in the state government of Sikkim. The Chief Minister is responsible for the day-to-day running of the state government and for appointing the ministers in the state government. The Chief Minister is also the leader of the party or coalition that has the most seats in the Sikkim Legislative Assembly.