“Kaun?” is a 1999 Indian Hindi-language psychological suspense thriller film, with direction by Ram Gopal Varma, written by Anurag Kashyap, and featuring Urmila Matondkar, Manoj Bajpayee, and Sushant Singh in the cast. Remarkably, it was shot in a mere 15 days. Additionally, the film was also adapted into Telugu with the title “Yevaru?” and remade in Kannada as “Shock” in 2010.