There was a time when Swastika was an integral part of all his films. Director Mainak Bhaumik had cast Swastika Mukherjee in his back-to-back films, now it is Ritwick who is getting repeated in all his films. "Working with good actors like Swastika, Raima, Parno makes me greedy for working more with them. In this way, Ritwick, Sohini is next Swastika to me," explained Ritwick. In his film, 'Happy Pill', Ritwick plays a medical school dropout who discovers the formula for making people happy. The movie has hit the floor yesterday.