Indian superstar Aishwarya Rai says shooting two versions of the same movie simultaneously on a recent set posed the toughest challenge of her career. Promoting the twin releases "Raavan" and "Raavanan" at South Korea's Pusan International Film Festival, the actress reflected on the unique experiment in Indian cinema. Attempting to reach out to speakers of both Hindi and Tamil, veteran director Mani Ratnam shot each scene once in ...