Actor Amitabh Bachchan was so impressed with the script of his latest film Chehre that he not only agreed to do it for free, but also paid for his own travel when the production moved to Poland. Amitabh Bachchan and Rani Mukerji in a still from Sanjay Leela Bhansali's Black. Years ago, he did Sanjay Leela Bhansali's Black free of …