| S.No. | SOURCES | PROVISIONS |
| 1. | British constitution. | Parliamentary Government, Rule of Law, Legislative Procedure, Single Citizenship, Cabinet System, citizenship, Prerogative Writs, Parliamentary Privileges and Bicameralism. |
| 2. | United States 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. |
| 3. | Irish constitution. | Directive Principles of State Policy, Nomination of the Members of Rajya Sabha and Method of the election of the President. |
| 4. | Canadian constitution. | Federation with strong center, Vesting of Residuary power in the centre, Appointment of the state governors by the centre, and advisory jurisdiction of the Supreme Court. |
| 5. | Australian constitution. | Concurrent List, Freedom of Trade, Commerce and intercourse, and Joint sitting of the two houses of the parliament. |
| 6 | Weimar constitution of Germany. | Suspension of Fundamental Rights during Emergency. Soviet Constitution (USSR, now RUSSIA) Fundamental Duties and the ideal of the Justice (social, economic and political) in the preamble. |
| 7. | French constitution. | Republic and the ideals of Liberty, Equality, and Fraternity in the preamble. |
| 8. | South African . | Constitution Procedure for Amendment of the Constitution and election of the members of the Rajya Sabha. |
| 9. | Japanese constitution. | Procedure established by Law. |
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