Question

What did the british did to increase its revenue income in India ?

Answer 1

they have done trade in India to increase their revenue

Answer 2

 As an effect of the British rule India suffered from a drain of wealth.

There were disruption of the artisans, weavers and farmers, and even there was a ruin of the old landlords and zamindars.

At the same time, there were also poverty and famine, and specific taxes were levied which were not good to the overall development of the nation.