The provisions of Concurrent List, freedom of trade, commerce and intercourse and joint sitting of two Houses of Parliament are borrowed from : 

The provisions of Concurrent List, freedom of trade, commerce and intercourse and joint sitting of two Houses of Parliament are borrowed from :  Correct Answer Australian Constitution.

Australian Constitution: Principle of co-operative federalism, Freedom of inter-state trade, commerce and intercourse, Idea of concurrent list.

UK Constitution: Law making procedures, Parliamentary Government, Rule of Law, Single citizenship, Cabinet system.

US Constitution: Fundamental Rights, Independent judiciary, Judicial review, Procedure for the removal of the judges of the Supreme court and High courts, Role of Vice President

Irish Constitution: Directive Principles of State Policy, The method of the presidential election, Nominating members of Rajya Sabha.

Related Questions

Who presides over the joint sitting of the two Houses of Parliament?
Who can make laws for Union Territories on any subject under the three lists Viz. union list, state list and concurrent list?