Saat Number Shanatan Sanyal is a ZEE5 Original psychological thriller film starring Kaushik Ganguly, Shilajit Majumdar, Saoli Chatterjee and Saheb Bhattacharya. The story revolves around Shanatan Sanyal, a struggling perfume salesman, who visits seven clients who are his namesakes. Things get complicated when the namesakes start disappearing one after the other.