This is the first time Amitabh Bachchan and Om Puri have come on screen together in the same movie, they both have been in the industry for 3 decades.
Fardeen Khan's father Feroz Khan wanted Amitabh Bachchan to act in Qurbani (Vinod Khanna's role) but Amitabh Bachchan was unable to commit. 23 years later Amitabh and Fardeen were able to act on screen together and in 2002 Abhishek and Fardeen were able to in Om Jai Jagadish
Kareena Kapoor sang "Jab Nahin Aaye". This was her first song in her career
Govind Nihalani approached Amitabh Bachchan for his film Ardh Satya (1983), but Amitabh couldn't commit himself to the movie. Many years later Govind approached him again with another cop film, Dev (2004). Amitabh couldn't decline him this time and committed himself to the project.