In today's episode of Kaun Banega Crorepati 15, Amitabh Bachchan begins the game with contestant Shubham Gangrade and while playing the third question in the quiz game, contestant Shubham asks for his first lifeline and Big B is stunned about it. After getting the answer correct, Big B questions him if he didn't know about it as only in Harmonium we can blow air and play it.
