Filmmaker Chandra Barot, known for directing Amitabh Bachchan-starrer 'Don', passed away aged 86 on Sunday. His wife Deepa Barot said he had been battling pulmonary fibrosis for the past seven years. Before entering films, Barot worked at Barclay's Bank in Tanzania. He had also assisted Manoj Kumar in several films, including 'Purab Aur Pachhim'.