Cyanide is an Indian 2006 bilingual drama film written and directed by A. M. R. Ramesh. Being a bilingual venture, the film was simultaneously shot in Kannada and Tamil languages, with the latter version titled as Kuppi. The plot of the film set in and around Bangalore from 1 to 20 August 1991, deals with incidents surrounding the assassins of former Indian Prime Minister Rajiv Gandhi. It stars Ravi Kale as Sivarasan (One-eyed Jack), the mastermind of the assassination. Malavika Avinash, Tara, Rangayana Raghu in pivotal roles. The supporting cast features Avinash, Nassar and Suresh Heblikar.