Correct Answer: British Constitution

Solution : The correct answer is the British Constitution.

The principles of cabinet government and the relations between the executive and the legislature in the Indian Constitution were influenced by the British Constitution.

The British Constitution, although not a single written document like the Indian Constitution, is based on centuries of constitutional tradition, legal precedents, and documents such as the Magna Carta, the Bill of Rights, and various Acts of Parliament. These elements of the British Constitution have influenced the political and governmental structure in India and other countries that follow the parliamentary system.