Historical Underpinnings and Evolution of Indian Constitution Pitts India Act 1784 Government 1935 Preamble the Fundamental Rights (Articles 12-35) Directive Principles State Policy Duties Basic Structure Doctrine Parliamentary System Federal & Unitary Features Zonal Councils - Inter state Relations council Cooperative Competitive Federalism Due Process Law vs. Procedure Established by List Important Constitutional Amendments Attorney General Union Executive Parliament legislature Lok Sabha- Rajya Types Bills Committees Privilleges (Article 105) 73rd Amendment Sarkaria Commission Report Reports Various Commissions Punchhi Separation Powers Checks Balances Kesavananda Bharati case Tribunals