Download the 'Lehren Android App' - br Varun Dhawan and Alia Bhatt starrer Kalank hits the silver screens and here's what public has to say about the movie. Take a look at the public review of the film. Kalank also stars Madhuri Dixit, Sonakshi Sinha, Aditya Roy Kapur, Sanjay Dutt and Kunal Khemu.