 On 7 January 2009 , Barton was questioned by the Indian media on why she chose to sign on the project to which she responded " I 'm interested in all kinds of things , I did this film for moral reasons . Also , I felt the story needed to be told , I feel that this is going to be an important film . " Benjamin Wallfisch , an Emmy and Ivor Novello @-@ nominated composer , composed music for the movie Bhopal : A Prayer for Rain . The film was slated to release in 2010 but the lack of response from the distributors delayed the release . On the 30th anniversary of the Bhopal Gas Disaster , Shivraj Singh Chauhan , the chief minister of Madhya Pradesh attended the film 's premiere in Bhopal and after watching the film he announced that the state government would not charge any tax on the film 's earning . Chauhan called the film " very sensitive " and praised the " heart @-@ rending " performance given by actors . To promote awareness about the tragedy a NGO The Bhopal Medical Appeal and the film 's director collaborated with mobile commerce portal Paytm and the online shopping website Snapdeal . As part of the partnership Paytm and Snapdeal offered their customers a chance to donate money in form of online coupons to the disaster victims . 
