A song plays in one scene
Theme song from Company (2002) is playing at a dance-bar when Ajay starts his trail of vengeance
recycles part of song "Khallas"
During the film-shoot scene, the director acts like Karan Johar did when directing K3G. The film they're shooting in this scene is as if they were shooting K3G as well.
the movie is spoofed in a dialogue in the end. Also a song from Company is referred to in that dialogue