Director Abhishek Varman`s ambitious film `Kalank` is in trouble. The film`s set installed in Mumbai` has suffered damage due to heavy rains. A part of the set collapsed on Wednesday and that forced the team to stop shooting. So, the shooting won`t start before 15 days. `Kalank` has been suffering from one problem or the other since the beginning of shooting. The film is jointly produced by Dharma Productions, Nadiadwala Grandson and Fox Star Studios and is a period film set in the 1940s. The film has Varun Dhawan and Alia Bhatt in the lead roles. The movie  set was too expensive. The movie is sceduled for early next year.