The Prime Minister is the most powerful office in all parliamentary democracies.In India too the Prime Minister is the real head of the Parliament.He is the leader of the Council of Ministers.Since India has adopted the Westminster model of constitutional democracy, it is the Prime Minister who oversees the day-to-day functioning of the Government.He takes all the important decisions.All treaties and major decisions are taken in the name of President but only on the advice of Prime Minister and his council of Ministers.