The film's director Hansal Mehta announced the news on Twitter and congratulated the entire cast and crew.
"#OMERTA will have its world premier at the Toronto International Film Festival 2017 (#TIFF2017). Congratulations and love to the team," he wrote.
The film, based on a true story, marks Rao and Mehta's fourth collaboration. They have previously worked on acclaimed films like "Aligarh", "Citylights" and "Shahid", which got Rao a National Award for the best actor.
The first image of the film was also tweeted by Mehta, where Rao was seen offering namaaz, with '9/11', 'Kidnapping of American' among other things scribbled on the wall.
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