Mumbai, April 7 -- There's only one word to describe the latest trailer for Kalank: Considerate. With the Indian economy decelerating and unemployment at a record high, Dharma Productions understands you need to be careful with your cash. Just so you make an informed decision, the trailer tells you the entire plot of Kalank, complete with the scene that is no doubt an emotional high point in the film - Varun Dhawan and Aditya Roy Kapur incoherently yelling at each other on a ghat....