Diarchy was introduced by the Act. Of ………………….. / » Modern Indian History (1857 to the present) solved MCQs / By admin Question: Diarchy was introduced by the Act. Of ………………….. A. 1908 B. 1913 C. 1915 D. 1919 Answer» d. 1919 Note: The above multiple-choice question is for all general and Competitive Exams in India.