Kalank Movie Teaser Release: Bollywood actors Alia Bhatt, Varun Dhawan, Sonakshi Sinha, Aditya Roy Kapur, Sanjay Dutt and Madhuri Dixit will be releasing the much-awaited teaser of Kalank today. The teaser will be launched at an event in Mumbai. The movie is slated to hit the screens on April 17.