Salman Khan is all set to promote his next release ‘Prem Ratan Dhan Payo’, as it hits the screens this Diwali. However, before that, the actor will work hard on his physique for ‘Sultan’. News doing the rounds is that the actor will be playing an aged wrestler in the movie and Salman will soon start working on his physique for the same. Trade reports suggest that Salman will train with an action director for the film from next week, and after the first round of training, the actor will concentrate on ‘Prem Ratan Dhan Payo’. Once that releases, he will return to shoot for ‘Sultan’.