Indian nationality law details the conditions by which a person holds Indian nationality. The two primary pieces of legislation governing these requirements are the Constitution of the Republic of India and the Citizenship Act, 1955.

All people born in India between 26 January 1950 and 1 July 1987 automatically received citizenship by birth regardless of the nationalities of their parents. Between 1 July 1987 and 3 December 2004, citizenship by birth