According to reports, the story of Ponniyin Selvan demands a few hundred herds of horses. Mani Ratnam has asked Kamal Hassan's advise on it. It is said that the actor has suggested the director to import the horses from France, as he had done the same before for his Maruthanayagam.
Sources also say that Mani Ratnam-Kamal Hassan discussed about the story and the script. Meanwhile, the actor also recommended two writers to help him in the script writing.
However, movie is the screen-adaptation of the Tamil historical novel 'Ponniyin Selvan', which was written by Kalki Krishnamurthy. The director has already roped in Mahesh Babu for one of the lead roles in the film. Other details are under wraps.