Kalank box office collection day 1 early estimates: Varun Dhawan and Alia Bhatt's film takes a phenomenal opening

Directed by Abhishek Varman, Kalank also stars Sanjay Dutt, Aditya Roy Kapur, Sonakshi Sinha, Madhuri Dixit Nene, Kunal Kemmu and Kiara Advani in key roles