The correct answer is option 3: 1919.
Under the system of Dyarchy, which was introduced in India in 1919, the provincial governments were given more powers. Dyarchy means "double rule" or "dual government," and it was a system where certain subjects were transferred to elected Indian ministers, while other subjects remained under the control of the British-appointed governors.
The Government of India Act 1919, also known as the Montagu-Chelmsford Reforms, implemented the Dyarchy system. This act was an important milestone in India`s journey toward self-government and served as a stepping stone towards the further devolution of powers to the provinces.
Therefore, the option 3: 1919 is the correct answer as it marks the year when the provincial governments in India were given more powers under the system of Dyarchy.