Who is considered as the chief architect of the Indian Constitution? What does the Preamble of the Indian Constitution signify? Explain the term 'Directive Principles of State Policy'. How do the Fundamental Rights in the Indian Constitution protect the citizens? What is the role of Parliament in the Indian democratic system? Describe the structure of State Legislatures in India. How does the Parliament exercise its legislative powers? What are the duties of the Indian President? Explain the role of the Vice President in the Indian political system. Who appoints the Prime Minister of India and what are their main functions?