Which one of the following statements about the duties of the Prime Minister is correct?

(a) Can chose his cabinet after consulting the President of India

(b) Is free to choose his minister only from among members of either House of the Parliament

(c) Has full discretion in the choice of persons who are to serve as Ministers in his cabinet

(d) Has only limited power in the choice of his cabinet colleagues because of the discretionary powers vested the President of India