Who is Salman Khan's mystery girl?

Though director Sohail Khan is keeping mum about the new girl, who will star opposite his brother Salman Khan in his upcoming film, the latest buzz is that the newbie is a junior artiste and part of a choreographer's dance troupe.
According to reports, Salman Khan spotted the girl on the sets of a movie and told Sohail Khan to audition her for the film and she got the dream role. Salman Khan had also spotted Zarine Khan on the sets of a movie and then he cast her in Veer.
There were speculations earlier that Bigg Boss inmate Karishma Kotak would also be in the film. But sources said that Karishma is not part of the film, but her housemate Sara Khan may be essaying one of the other female roles in the film.