New Delhi, Mar 15 (ANI): Bollywood filmmaker Karan Johar shared new posters of the upcoming film 'Kalank'. Karan Johar treated everyone with new posters of 'Kalank' on the birthday of Alia. Where one of the posters features Alia Bhatt, another poster features Sonakshi Sinha. "Courage has never looked this beautiful! Meet the feisty #Roop in #Kalank on 17th April. @aliaa08", tweeted Johar. Another poster that KJo shared is of Sonakshi Sinha and tweeted, "She holds a world of emotions in her eyes. Meet #Satya in cinemas on 17th April. #Kalank @sonakshisinha". Earlier, Karan Johar treated the audience with the teaser of his much anticipated multi-starrer film 'Kalank' few days ago. The teaser looked intense and promising as it gave a sneak peek into the plot of the film. The film also stars Madhuri Dixit, Sanjay Dutt, Varun Dhawan and Aditya Roy Kapur in pivotal role.