This is Bollywood's first official zombie comedy.
Soha Ali Khan, who plays a cameo in the movie as Kunal Kemmu's imaginary ex-girlfriend, is actually engaged to him in real life.
Instead of normal Cigarette Disclaimer videos, This film has Saif speaking about his experience as a smoker in the starting of the film.
Almost one third of the film was shot in Mauritius.
Saif Ali Khan and Kunal Khemu are brother-in-laws. Saif's sister and Kunal's wife Soha Ali Khan also appears in a cameo appearances.