Name     : Cyanide (2006)    Language: Kannada
Director : A. M. R. Ramesh      
Cast      : Ravi Kale, Rangayana Raghu, Malavika Avinash, Tara, Avinash

 

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The movie is set in and around Bangalore from 1 August to 20 August 1991, deals with incidents surrounding the assassins of former Indian Prime Minister Rajiv Gandhi. (Source: Wiki)