The key features of the Indian constitution are :- – » Federalism :-  The word federal means the existence of more than one level of gov. In India, we have Union gov. at the centre and state gov. in the states. Under Federalism, all the three level of the government exercise their powers and functions, according to the provisions of the Constitution. – » Parliamentary Form of Government :- In a Parliamentary Form of Government , a distinction is made between the head of the state and the head of the government. The presedient is the head of the state, the prime minister is the head of the government.Through the government is carried out in the name of the presedient at the centre and the governor's in the states, actual administration is carried out by the prime minister and council of ministers at the centre and the chief ministers in the states.  – » Separation of Powers :- The three organs of the state are the legislature, the executive, and the judiciary. The legislature has the power to make laws. The Executive has the power to execute laws. The judiciary has the power to judge and apply punishment when laws are broken. – » Fundamental Rights :- Fundamental Rights protect the people against arbitrary and absolute exercise of Powers by the states. these rights also protects the people against other individual.In addition, the Constitution has a section on Directive principles of state policy . They were aimed to serve as a guide to the Indian state, reduce social and economic disparities. – » Secularism :- India is a land where people belongs to different Faith's and religions. In India, politics and religion are separate. people enjoy freedom to follow, practice and profess their own religion. – » Welfare state :- A welfare state is a state which performs functions for the benefit of the people, like education, public health, agriculture, parks, libraries. As a welfare state, India is committed to the welfare and the development of the people, particularly the vulnerable section SC/ST. – » A detailed written Constitution :- The Constitution of India is the most detailed document. It is one of the best in the world, and is a living document. i.e :- something has real meanings in everybody's life. It also contains provisions for amendment, i.e :- if any changes are needed, they can be made in the Constitution.