Pallavi Nifadkar from Pune won INR 7.5 lakh on 'Kaun Banega Crorepati 17' after correctly answering 11 questions. She quit at the INR 12.5 lakh question on India’s second nuclear-powered submarine. Pallavi revealed she will use her winnings to repay family loans, sharing her emotional journey with Amitabh Bachchan.