'Kaun Banega Crorepati 14' contestant says he'll use prize money for wife's treatment, moves Amitabh Bachchan

Megastar Amitabh Bachchan got emotional listening to the story of 'Kaun Banega Crorepati 14' contestant Harsh Kumar Singh. He told the host that he took over the hotseat so that he could use the winning amount for the treatment of his wife.