Tarka (transl. Logic) is a 1989 Indian Kannada-language mystery-thriller film, produced by Praveen and directed and written by Sunil Kumar Desai in his directorial debut which is based on Agatha Christie's 1958 play The Unexpected Guest. It is the first film noir in Kannada cinema, and the first Kannada film to be made without songs, dance, or stunt sequences. The film stars Shankar Nag, Vanitha Vasu and Devaraj. The film also features Avinash, Shivaraj and Praveen Nayak in supporting roles. The film revolves around an escaped convict who finds the body of a man in his childhood friend's house.