The system of diarchy remained operational during: A) 1921-1937 B) 1922-1937 C) 1923-1937 D) None of these Related MCQs: China-Pakistan Fiber Optic Project (CPFOP) under CPEC has become operational on …….? When CPEC will be fully operational? How many days Hazrat Younis A.S remained in the abdomen of fish? Who among the following remained the viceroy of India from 1943 to 1947?