Borrowed features of constitution from different countries.

From U.K.	Nominal Head – President (like Queen) Cabinet System of Ministers Post of PM Parliamentary Type of Govt. Bicameral Parliament Lower House more powerful Council of Ministers responsible to Lowe House Speaker in Lok Sabha
From U.S.	Written Constitution Executive head of state known as President and his being the Supreme Commander of the Armed Forces Vice- President as the ex-officio Chairman of Rajya Sabha Fundamental Rights Supreme Court Provision of States Independence of Judiciary and judicial review Preamble
From USSR	Fundamental Duties Five year Plan
From AUSTRALIA	Concurrent list Language of the preamble Provision regarding trade, commerce and intercourse
From JAPAN	Law on which the Supreme Court function
From WEIMAR CONSTITUION OF GERMANY	Suspension of Fundamental Rights during the emergency
From CANADA	Scheme of federation with a strong centre Distribution of powers between centre and the states and placing. Residuary Powers with the centre
From IRELAND	Concept of Directive Principles of States Policy(Ireland borrowed it from SPAIN) Method of election of President Nomination of members in the Rajya Sabha by the President