Actor Aishwarya Rai's role and look in upcoming movie Ponniyin Selvan has been kept under wraps for long. Aishwarya Rai seen in a red saree as she shot for Ponniyin Selvan. The book chronicles the story of the early days of Arulmozhivarman, one of the most powerful kings in the south, who went on to become the great Chola emperor …