Correct Answer: Government of India Act, 1919

Solution : The correct answer is the Government of India Act, of 1919

The Montagu-Chelmsford Reforms established the Dyarchy system in British India's provinces. The Montagu-Chelmsford Reforms, commonly known as the Government of India Act of 1919, were used to execute this change. Dyarchy included separating the province administration into two parts: reserved subjects, which were directly controlled by the British-appointed Governor, and transferred subjects, which were controlled by Indian ministers accountable to the provincial assembly.