The reason behind this generosity is the script and the fact that it involves a bunch of young actors who have a theatre background. It's well-known fact that Shah loves theatre and is pretty active on the floorboards.
So as a token of appreciation for the efforts taken to help budding talents, he decided to take a cut. And as for the film, it will be an investigative thriller produced by Karan Arora and the film has already gone on floor.