Page "Prime Minister of India" Paragraph 6

like most parliamentary democracies the Head of State's duties are mostly ceremonial, the Prime Minister of India is the head of government and has the responsibility for executive power.

With India following a parliamentary system of government the Prime Minister is generally the leader of a party ( or coalition of parties ) that has a majority in the Lok Sabha, the lower house of the Parliament of India.

The Prime Minister, in common with all other ministers at Central & state level, either has to be a current member of one of the houses of Parliament, or be elected within six months of being appointed.