And both the union government and the central government derive their powers from the constitution.: The constitution of India is a rigid constitution and this is one of the basic features of federal constitution.The procedure of amending the Constitution in a federal system is normally rigid.
Such an amendment has to be passed by majority of total members of each house of the Parliament as well as by two-thirds majority of the members present and voting there in.Besides, the Constitution of the Union and the States is a single framework from which neither can get out and within which they must function.The federation is a union because it is indestructible and helps to maintain the unity of the country.What feature of Indian constitution makes it federal or what features makes it unitary.In a federal set up there is a two tier of Government with well assigned powers and functions.The Constitution of India has adopted federal features; though it does not, in fact, claim that it establishes a federation.The question whether the Indian Constitution could be called a federal constitution troubled the minds of the members of the Constituent Assembly.Since in India important amendments can be amended through this procedure Hence, Indian Constitution has been rightly called a rigid constitution. The Union List consists of 97 subjects of national importance such as Defence, Railways, Post and Telegraph, etc.In Indian constitution the powers of state and centre are clearly defined and there are very clear limits of both the centre and the state for law making powers. The State List consists of 66 subjects of local interest such as Public Health, Police etc.The Concurrent List has 47 subjects important to both the Union and the State such as Electricity, Trade Union, Economic and Social Planning, etc.Supremacy of judiciary is another very important feature of a federal state where there is an independent judiciary to interpret the Constitution and to maintain its sanctity.