Solution:The separation of power was made by the Government of India Act, 1935. It divided the legislative powers between central and provincial legislatures and replaced "dyarchy in provinces with dyarchy at the Centre". The Act also envisaged establishment of 'Federation of India' made up of both British India and some of the Princely States. However, this part was never implemented.Govt of India Act 1935 - Diarchy at the centre
1. The subjects under the Federal List were divided into two: Reserved and Transferred.
2. The reserved subjects were controlled by the Governor-General who administered them with the help of three counsellors appointed by him. They were not responsible to the legislature. These subjects included defence, ecclesiastical affairs (church-related), external affairs, press, police, taxation, justice, power resources and tribal affairs.
3. The transferred subjects were administered by the Governor-General with his Council of Ministers (not more than 10). The Council had to act in confidence with the legislature. The subjects in this list included local government, forests, education, health, etc.
4. However, the Governor-General had 'special powers to interfere in the transferred subjects also.