One reason the British wanted to control India was.. to encourage Indian nationalism

to buy manufactured goods in India

to get access to India's raw materials

to set up a democracy in India

3 because the british basically plundered India and became rich because of it. There are a lot of negative things that  happened to India but the British also helped. Unfortunately the British are a contributing factor to poverty in India. See how big of an impact this military campaign in India was?

Explanation:

the population grew a lot and was making more money

u.s.a

china

india

and

japan