Sunaina Roshan revealed that her father, filmmaker Rakesh Roshan, worked out for nearly two hours before heading to the hospital for his cancer surgery, saying his faith helped him stay positive. Rakesh also shared that he felt low when he couldn’t exercise during treatment but gradually resumed with light movements and small weights before returning to his regular workouts. Orthopaedic expert Dr Sarang Deshpande said that while staying active i…