| 1. Government of India Act of 1935 | Federal Scheme, Office of the governor, Judiciary, Public Service Commissions, Emergency provisions and administrative details. |
| 2. British Constitution | Parliamentary government, Rule of Law, legislative procedure, single citizenship, cabinet system, prerogative writs, parliamentary privileges and bicameralism. |
| 3. US Constitution | Fundamental rights, independence of judiciary, judicial review, impeachment of the president, removal of Supreme Court and high court judges and post of vice-president. |
| 4. Irish Constitution | Directive Principles of State Policy, nomination of members to Rajya Sabha and method of election of president. |
| 5. Canadian Constitution | Federation with a strong Centre, vesting of residuary powers in the Centre, appointment of state governors by the Centre, and advisory jurisdiction of the Supreme Court. |
| 6. Australian Constitution | Concurrent List, freedom of trade, commerce and inter-course, and joint sitting of the two Houses of Parliament. |
| 7. Weimar Constitution of Germany | Suspension of Fundamental Rights during Emergency. |
| 8. Soviet Constitution (USSR, now Russia) | Fundamental duties and the ideal of justice (social, economic and political) in the Preamble. |
| 9. French Constitution | Republic and the ideals of liberty, equality and fraternity in the Preamble. |
| 10. South African Constitution | Procedure for amendment of the Constitution and election of members of Rajya Sabha. |
| 11. Japanese Constitution | Procedure established by Law. |