The concept of Concurrent List and freedom of trade, commerce and intercourse in the Indian Constitution were borrowed from the Constitution of ______.

From Australia, India borrowed: (a) Concurrent List (List III in Seventh Schedule) where both Union and States can legislate (Union law prevails in conflict), (b) Freedom of trade, commerce and intercourse throughout the territory (Article 301, subject to reasonable restrictions), (c) Joint sitting of both Houses to resolve deadlocks (Article 108). These features balance federal autonomy with national economic integration.