She said she had to research a little for the role because in India awareness about autism is very low. Chopra told that she had to let go of every inhibition probably that she had as a Hindi film heroine and play Jhilmil without thinking of it. She explained that she needed two moments to become Jhilmil because she didn't identify with her character due to difference between her thought and behavior. D'cruz, who portrayed the narrator and first love interest of the protagonist said "Shruti, is such a sensitive role to play as she goes to different phases in the film." According to Basu, after Kapoor, Chopra and D'cruz's characters, Saurabh Shukla's character as Inspector Dutta was the most important. Basu described the role as "amazing" character, who makes others cry when he laughs. Filming Principal photography commenced in March 2011. Barfi! was shot between June 2011 and February 2012, mostly in Darjeeling. In March 2011, Basu visited Kolkata to finalize the locations within the city. Filming in Mumbai began on 20 March 2011 and continued until May 2011. In June 2011, the cast and crew shot in Darjeeling. In December 2011, some scenes were filmed on the outskirts of Coimbatore, especially Pollachi and Ooty. The scenes in which Kapoor's character is chased by policemen over the roof tops were shot in Kolkata at the end of January 2012. Shooting was completed by April 2012, except for some scenes featuring Chopra. The producers postponed the release from 13 July to 31 August 2012 as the September 2011 shooting schedule was cancelled and was waiting to be shot. However, Basu began working on D'Cruz's dubbing portions by end of April 2012, because D'Cruz was unfamiliar with the Hindi language and wanted to learn it whilst filming. Soundtrack The music and background score of the film is composed by Pritam Chakraborty, and lyrics were written by Swanand Kirkire, Ashish Pandit, Neelesh Misra and Sayeed Quadri. The soundtrack album has six original songs which released on 9 August 2012. The soundtrack was influenced by Brazilian Bossa nova. Priyanka Chopra was supposed to sing a track for the film, but her contract with Universal Music prevented her from taking the offer. The soundtrack album also contains a song titled "Fatafati", sung by Pritam Chakraborty, Arijit Singh & Nakash Aziz. which was not be used in the film, but the song was released as