Here comes an engaging trailer of Happy Pill. A feel-good movie directed by Mainak Bhaumik, Happy Pill starring Ritwick Chakraborty, Sohini Sarkar, Parno Mittra, and Mir revolves around a pill which can make people happy. A medical college drop out discovers a formula that can keep everyone smiling. What follows next is the film all about. After Ghare and Baire, it will be Mainak's second release in this year. Smart and simple, the trailer has promised a nice film. Check out the trailer here.