Byju's, the first billion-dollar online education startup in India, has raised $100 million in a fresh round from General Atlantic India, taking its valuation over the $2-billion mark. Founded in 2008 by Byju Raveendran, the Bengaluru-based startup offers courses for school students and competitive exams like IIT-JEE, NEET, and GRE. Byju's recently claimed to cross ₹100 crore in monthly revenue.