Q. In how many provinces, Diarchy was introduced under the Government Act 1919?
Answer: 8
Notes: Under the Government Act 1919, Diarchy was introduced in 8 provinces. These provinces were: Assam, Bengal, Bihar & Orissa, Central Provinces, United Provinces, Bombay, Madras and Punjab. After the implementation of Diarchy system in provinces, the governor was made the executive head in the province and the provincial governments were given more powers under the system of Diarchy.