In the context of Indian history, the principle of ‘Dyarchy (diarchy)’ refers to
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Answer: D. Dyarchy was brought in by the Government of India Act, 1919 (Montagu-Chelmsford Reforms). Provincial subjects were split into two groups. 'Transferred' subjects were run by the Governor with ministers answerable to the legislature. 'Reserved' subjects stayed with the Governor and his executive council. So option D.
Watch for: The 1919 Act also created a bicameral central legislature, so option A feels right; dyarchy is only the split of provincial subjects.
Why the other options are wrong
- A. Wrong because that is bicameralism, which the 1919 Act also brought in, but it is not dyarchy.
- B. Wrong because that describes federalism, not dyarchy.
- C. Wrong because dyarchy was about provincial subjects, not rulers in London and Delhi.
Source to check: Bipan Chandra, History of Modern India (old NCERT), chapter on constitutional developments 1858-1935; Government of India Act, 1919; Laxmikanth, Indian Polity, Chapter 1 'Historical Background'
Answer from the official UPSC key. Written and fact-checked by AI against the official key. Spotted a mistake? Report it.