Not only is he acting in the film but is also making sure that everything else associated with the film's production is running smoothly too. Whether it is calling his actors, or checking the production details, SRK is doing all that single handedly these days.
According to sources, SRK relies heavily on Bobby Chawla as far as his films are concerned. But, ever since Bobby is unwell, SRK has been leading from the front to fill the void created by his absence.
Well, if anyone has to take lessons in multitasking, it is SRK who is the master of this craft undoubtedly.