Raaz Gayab Laash Ki

Nitin and Tanu throw a horror themed party at a farmhouse. Everyone in their costumes play games and try to scare each other. There seems to be a secret rumored haunted room. Whoever goes in, never comes out. And so it happens, someone goes in and doesn’t come back. This freaks all the guests out and CID is called in. Is that person playing a prank or did something unholy happen?