Okay kiddo, imagine you have a big box of toys. Each toy belongs to a certain group, like dolls, cars, or blocks. Berar Subah is like a big box that belonged to the Mughal Empire a long, long time ago. It was an area in India that had its own ruler, but still followed the rules of the Mughal Empire. Think of it like your toy box having its own special toy that you love, but it still needs to follow the rules of your house.
The ruler of Berar Subah was called a Subahdar, and he was chosen by the Mughal Emperor to make sure that everything was running smoothly in the area. Kind of like how your parents pick a babysitter to watch over you when they're not around.
Berar Subah had lots of important things, like a big army, lots of people who made things like clothes and pottery, and even some really cool buildings like forts and palaces. It was a pretty important place at the time, but now it's just a part of history that we can learn about. So basically, Berar Subah was like a special area of India that followed the rules of the Mughal Empire, and had its own ruler to keep things running smoothly.