How do young Indians learn about world history?

I know that most countries prefer to teach their own history, and unless you major in world history in college, there aren't many opportunities for the average student to gain knowledge in the classroom, so how do young Indians who are interested in history learn about world history? What's the most popular popular book on world history over there? The Book of our country is a Greek American A Global History: From Prehistory to the 21st Century