Answer & Solution
The correct answer is “All the four ”.
1) India is a democracy where the people elect their representatives to govern. The term "republic" indicates that the head of state is not a hereditary monarch.
2) The executive (government) is responsible to the legislature (Parliament). The Prime Minister is the head of government, while the President is the ceremonial head of state.
3) Supreme power vests in the people is a core principle of democracy. The people are the ultimate source of authority.
4) While India has a federal structure, the central government has a strong and unifying role. This ensures national unity and cohesion.