Correct option is D
- Establishment of federalism: The Indian Constitution establishes a federal structure, in which powers are divided between the central and state governments.
- Fundamental rights: The Indian Constitution provides fundamental rights to citizens, which protect their liberty and equality.
- Parliamentary form of government: The Indian Constitution has a parliamentary system, in which a Parliament (Lok Sabha and Rajya Sabha) functions under the President and the government is formed by the Parliament.
- Promotion of feudalism: Feudalism is not encouraged in the Indian Constitution. The Constitution has established a system of governance based on socialist, secular and democratic principles.