Desc: Patalghar: Directed by Abhijit Chowdhury. With Soumitra Chatterjee, Biplab Chatterjee, Kharaj Mukherjee, Monu Mukherjee. The discovery of a 150-year-old diary of a scientist, where he claims to have invented a gun that can put people to sleep, begins a wild hunt of the gun involving the arms mafia, aliens and other humans.