Salman Khan graced the screening of his brother Arbaaz Khan`s production `Patna Shuklla` on Thursday. At the screening of the film, Salman, while speaking to the media congratulated the team including lead actor Raveena Tandon. He also gave an update on `Dabangg 4` and said that Arbaaz is more excited about `Patna Shuklla` than Dabangg. Talking about `Dabangg 4`, the superstar said that they will finalise it once he and Arbaaz will agree on a script