Oh mighty Indian Prince, we shall trade with your great kingdom!
The East India Company was founded in England in 1599 and soon began building trading warehouses in India
At this time, India was not a united country. There were many small states, each with its own ruler. The East India Company sometimes asked permission to trade in Indian states but sometimes they didn't.
I, Robert Clive ruler of Bengal! No one can defeat me!
At the same time, the French has their own East India Company. Competition between the British and the French was fierce. In 1700 it escalated into a full scale war and the armies were dragged into the conflict.
Don't you dare do that! That is banned in India. We will use the British system!
In 1757, Robert Clive persuaded an Indian general to fight with him and overthrow Siraj-ud-Daula the ruler of Bengal. The battle was won and Siraj-ud-Daula was captured and killed. This gave the British control of Bengal.
Robert Clive was treated as a hero in England. In 1765, he was sent back to India to rule over Bengal. From then on, he took more and more Indian states under the British control. The French were soon defeated and pushed out of India.
By the 1850's, the British ruled about 60% of India. the British banned traditional ceremonies and wanted India to use the British education system. Some people in India resented British rule.