Special father-daughter relationship: The film shows wonderful father daughter relationship shared by Deepika and Amitabh Bachchan in the movie. The film has been shot in Kolkata and Deepika and Big B will be seen playing Bengali characters. Not just on screens, Deepika– Amitabh Bachchan share same relationship off screen too. Known by few people, Big B calls Deepika as DeePiku, combination of Deepika and their movie title Piku.