Okay kiddo, so you know how there used to be a big country called India that had lots of people and lots of different cultures and languages? Well, a long time ago, some people from a place called Britain decided they wanted to control India and make it part of their big empire.
To help them do this, the British set up something called the British Indian Department. This was basically a group of people who were in charge of making sure that India was run the way the British wanted it to be run.
The British Indian Department had a lot of power over what happened in India. They made decisions about things like trade, taxes, and even who could rule different parts of the country. They also controlled the Indian Army and used it to keep people in line if they didn't like what was happening.
Now, not everyone in India was happy about being ruled by the British. Some people wanted India to be independent and free to make its own decisions. This led to a lot of protests and uprisings, which the British Indian Department tried to put down using force.
Eventually, though, India did gain its independence, and the British Indian Department was disbanded. Today, India is its own country, with its own government and its own people in charge of making decisions.