Which of the following are the principal features of the Government of India Act, 1919?
- Introduction of dyarchy in the executive government of the Provinces.
- Introduction of separate communal electorates for Muslims.
- Devolution of legislative authority by the Centre to the Provinces.
- Expansion and reconstitution of Central and Provincial Legislatures.
Ai wrong, ii correct
Bii, iv correct
Ci, iii, iv correct
Di only correct