Kaushik Ganguly's 'Chhaya O Chhobi' is all set to release tomorrow. Prior to that, the award-winning filmmaker narrates how the idea of the film inside a film generates in his mind. According to him, "While the actors enact as per the given script, all the people attached to a movie come close and make a story of their own behind the camera." Apparently, this has inspired Ganguly to make 'Chhaya O Chhobi'. The filmmaker also confirmed that the audience will see Koel's best work till date in the movie. To know more, check out the video below.