The correct option is D all of the above
The Prime Minister of India is the real executive head of the State. He is also the chief advisor to the President of India and Council of Ministers. The office of Prime Minister is the most powerful office in India. He is the real custodian of all executive authority. He is the Head of the Government. The Prime Minister is appointed from a majority party in the Lok Sabha, this makes him the head of Lok Sabha. The Prime Minister allots and changes when necessary the portfolio of the ministers. He presides the Council of Ministers and Union Cabinet.