Actor Vicky Kaushal will replace Shah Rukh Khan in Rakesh Sharma's biopic titled 'Saare Jahaan Se Achcha', as per reports. "The makers seem convinced that Vicky will do full justice to the role of Rakesh Sharma, if not Shah Rukh," stated reports. Earlier, there were reports that Shah Rukh has opted out of the biopic for Farhan Akhtar's 'Don 3'.