Anushka Sharma is being a diva on sets of Sultan. We aren?t saying so, but a source close to the movie revealed that the actress is giving the makers a tough time. Apparently the plan was to have Anushka do the version of Jag Ghoomeya song. The makers wanted the actress to sit on a bar stool and croon the number on the microphone like a pro. However, we hear that Anushka not only refused the idea but cited some very strong opposition. Our source revealed that the actress said she did not want to be compared to Alia Bhatt.