Which one of the following is constitutionally obligatory on the part of the Prime Minister of India?

• A.  As the President is the supreme commander of the defence forces, the Prime Minister has or take all major decisions regarding defence only after prior approval by the President.
• B.  The Prime Minister has to communicate to the President all decisions of the cabinet relating to administration and proposals for legislation.
• C.  As the ministers are appointed by the President, the Prime Minister has to go by Presidential I discretion in the allocation of business among the ministers.
• D.  The Prime Minister, if he happens to be the leader of a party not having the required majority should prove his majority strength in both the Houses of Parliament within the period stipulated by the President.