Best of AK: Howone can miss this masterpiece.The film's background score and music were composed by Brian McOmber and G. V. Prakash Kumar respectively, while Gaurav Solanki wrote the lyrics. Nikos Andritsakis served as the film's cinematographer and Aarti Bajaj was its editor. Kashyap had the idea for the film since 2006 and started writing the script after talking to one of his friends, who was in the Special Task Force, Lucknow, about kidnapping cases. He chose actors who could connect with the characters in the film.