S1·E398 The Apartment Part 1

Karan sees two men carrying a heavy trunk into his neighbor's house. He notices that the trunk starts shaking in the elevator and freaks out. Later, he tells his friend about this and both of them decide to sneak into their house. After sneaking in, they witness the Divechas worshipping the demon and are shocked. The two friends go to the police to complain but, fail to show any proof. The next day, they disguise themselves as electricians and hide a spy cam in the Divechas house. Afterward, when Karan doesn't show up, his friend takes it to the police himself. when the police watch the video, they see Karan being stabbed with a knife by his own friend. Karan's friend gets arrested and calls K.D Phatak for help.