Following were the main clauses of Act of 1919 A.D. :
- Through this Act, subjects were divided between Centre and Provinces.
- Dyarchy was established in provinces.
- The communal electoral system was spread.
- System of two houses of the legislative council was made in the Centre.
- Members of state Council were increased to 60, and members of Legislative Assembly were increased to 145.
- Powers and rights of secretary of states were reduced. Number of members of its council was also reduced.
Indians were not very much pleased with Act of 1919 A.D. So they started Satyagraha movement under the leadership of Mahatma Gandhi, to oppose this Act.