Most people do not know the exact history of the riots of 1946. Almost no one has exact information about the role of Sri Gopal Chandra Mukhopadhyay alias Gopal Pantha in that riot. But even today people's curiosity about 'The Great Calcutta Killing' is strong. But for some unknown reason the exact information has been kept secret. Rumors are scattered around. There is no way to know which is true and which is false. The purpose of this novel is to reveal this truth. Who was to blame for the riots of 46 - Hindus or Muslims? Why was Lalbazar's police system paralyzed for a few days? How the plan to blow up the Howrah Bridge with dynamite and how did any house sit? Who planned to kill the then ruler of Calcutta Suravardi? What was the role of Nehru and Gandhiji for Calcutta at that time? What speech did Jinnah leave in a session? Who came to mosques in August? How did the rioters attack Kolkata? After all, the character almost erased from history is Gopal Pantha Man or who? 'Calcutta Slaughterhouse' is the story of finding the true answer to all these questions. Writer Saurabh Chakraborty has written this novel based on appropriate information. So 'Kolkata Slaughterhouse' is not just a story, it is a living document of history.