Indian Constitution has the best of all worlds. There are many features/concepts which have been taken or inspired from different countries. Here is a list of 14 features in Indian Constitution that has been taken from other countries.
United Kingdom – Parliamentary government.
United Kingdom – Rule of Law.
United Kingdom – Single citizenship.
United Kingdom – Cabinet system.
United Kingdom – Concept of equality before law.
Ireland – Directive Principles of State Policy.
U.S.A – Fundamental Rights.
U.S.A – Judicial review.
U.S.A – Independence of judiciary.
Canada – Federation with a strong Centre.
(USSR) Russia – Fundamental duties.
Germany – Emergency provisions.
South Africa – Procedure for amendment of the Constitution.
Japan – Concept of “procedure established by Law”.
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