Edtech unicorn PhysicsWallah has acquihired doubt-solving edtech and resource management firm FreeCo. PhysicsWallah and FreeCo will collaborate on the content library, and the firm plans to use FreeCo's team experience and will employ 15 members from the latter. PhysicsWallah became India's 101st unicorn after it raised $100 million in its Series A funding round in June 2021.