Be above 25 years of age if they are a member of the Lok Sabha, or, above 30 years of age if they are a member of the Rajya Sabha.
Third stepAge Limit
Prime Minister shall be appointed by the President but the President has to appoint the leader of the majority party in Lok Sabha as the Prime Minister.
Fourth step
But when no party has a clear majority in the Lok Sabha the President can exercise his personal discretion in the appointment of Prime Minister.