A). As the President is the Supreme Commander of the defence forces. the Prime Minister has to 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 of administration
C). As the Ministers are appointed by the President by Presidential discretion in the allocation of business among Ministers
D). The Prime Minister, if he happens to be a ledger of a party not having the required majority should prove majority strength in both Houses of Parliament within the period stipulated by the President