The film, produced by Aditya Chopra under his banner Yash Raj Films, will see Salman as a wrestler from Haryana. "Heading to Los Angeles to set the action of#sultan with @larnellstovall. The countdown to the shoot begins," Zafar tweeted.
The "Mere Brother Ki Dulhan" helmer has already started song recordings for "Sultan" with composer duo Vishal-Shekhar.
"Sleepless nights. Song recordings. Music-language beyond boundaries @VishalDadlani @ShekharRavjiani #Sultan," the director posted on his Twitter page.
The female lead for the film is yet to be announced. "Sultan" will clash with Shah Rukh Khan's "Raees" at the box-office next year on Eid.