Leader of the Lok Sabha, the Lower House of the Indian Parliament, is the Prime Minister by default if he is a member of the Lok Sabha. If the Prime Minister is not a member of the Lower House of Parliament he can nominate another minister as the Leader of the House. 1. Jawaharlal Nehru 2 April 1952 to 4 April 1957 2.Jawaharlal Nehru 5 April 1957 to 31 March 1962 3.Jawaharlal Nehru 2 April 1962 to 27 May 1964 4.Gulzari Lal Nanda 27 May 1964 – 9 June 1964 5.Lal Bahadur Shastri 9 June 1964 – 11 January 1966 6.Gulzari Lal Nanda 11 January 1966 – 24 January 1966 24.Narendra Modi 25 May 2014 incumbent