The trio will promote their forthcoming film on the show, and they will be seen entertaining the viewers along with the show's host Farah Khan.
Bhatt will be seen interacting with the contestants inside the house. He will go in as a director who will audition all the contestants, said a source.
To create a love triangle between Rahul Mahajan, Karishma Tanna and Upen Patel, Bhatt will them enact scenes. Rahul will be seen as Karishma's husband in one such scene where she is at a party with her boyfriend Upen. As things heat up, Rahul will throw water on Upen's face.
Gurmeet and Ali will be seen entertaining on stage with Farah. Gurmeet will be seen shirtless on stage showing his physique and shaking a leg on the title track of his film, while Ali will gift Farah a limited edition "Fast and Furious 7" wrist band.
"Bigg Boss Halla Bol" series started with five challengers from past seasons of the show, competing with five "champions" from the eighth "Bigg Boss" seasons.
