Which of the following is/are feature(s) of the Government of India Act 1919 are correct?
1. It divided the central and provincial subjects into two parts: transferred and reserved.
2. It extended the principle of communal representation by providing separate electorates for Sikhs, Indian Christians, SC and ST.
3. It created a new office of the High Commissioner for India in London.
1. 1 and 2 only
2. 3 only
3. 2 only
4. All of the above