The correct answer is option 3, Canada. When framing the Constitution of India, the provision of federation was borrowed from the Constitution of Canada. A federation is a system of government where power is divided between a central authority and constituent political units. India is a federal country with both a central government and individual state governments. The Constitution of Canada serves as a model because it also has a federal system of government, with powers divided between the central government and the provinces. This borrowing of provisions from Canada was done to ensure that the federal structure of governance in India is properly outlined and well-balanced. It is important to note that while the Constitution of India is inspired by multiple sources, the provisions related to federation were borrowed from the Constitution of Canada.