| Source / Country | Borrowed Features & Provisions |
| Government of India Act, 1935 | Federal Scheme, Office of Governor, Judiciary, Public Service Commissions, Emergency provisions, and administrative details, Public Service commission. |
| Britain (United Kingdom) | Parliamentary government, Rule of Law, Legislative procedure, Single citizenship, Cabinet system, Prerogative writs, and Parliamentary privileges, Bicameralism. |
| United States (USA) | Preamble, Fundamental Rights, Independence of the judiciary, Judicial review, Impeachment of the President, Removal of Supreme Court and High Court judges, and post of Vice-President. |
| Ireland | Directive Principles of State Policy (DPSP), Method of election of the President, and Nomination of members to the Rajya Sabha. |
| Canada | 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. |
| Australia | Concurrent List, Freedom of trade, commerce, and inter-course, and Joint sitting of the two Houses of Parliament. |
| Weimar Constitution (Germany) | Suspension of Fundamental Rights during an Emergency. |
| USSR / Soviet Union (now Russia) | Fundamental Duties and the ideals of justice (social, economic, and political) in the Preamble. |
| France | Republic system and the ideals of liberty, equality, and fraternity in the Preamble. |
| South Africa | Procedure for amendment of the Indian Constitution and election of members of the Rajya Sabha. |
| Japan | Procedure established by law. |
