The Constitution of India is the backbone of democracy in our country. In the constitution of India, many concepts or features have been borrowed from the constitutions of different countries of the world which are as follows.
Sources of Indian Constitution
| Concepts/Features | Countries |
| Parliamentary system of government | Britain |
| Directive Principles of state policy | Ireland and Spain |
| Federal System | Canada |
| Parliament | Britain |
| Fundamental Rights | U.S.A |
| Fundamental Duties | Former U.S.S.R |
| Emergency | Germany |
| Amendment in the constitution | South Africa |
| Republic System | France |
| Supreme Court | U.S.A |
| Vice-President | U.S.A |
| Preamble | U.S.A |
| Five Year Plan | U.S.S.R |
| Law on which Supreme Court functions | Japan |
| Method of election of President | Ireland |
| Post of Prime Minister | UK |
| Speaker in Loksabha | UK |
| Single Citizenship | UK |
| National head-president (like Queen) | UK |
| Cabinet system of ministers | UK |
