(3) A federal constitution is one which sets up a system of federalism within a country. Federalism is a political system in which the national government and the smaller governments (states or provinces)each have their own powers that are specified by the constitution. The main federal features of the Indian Constitution are as follows: Written Constitution: Supremacy of the Constitution: Rigid Constitution: Division of Powers: Independent Judiciary: Bicameral Legislature: Dual Government Polity: