**Review of *Hello Knock Knock Kaun Hai?*** *Hello Knock Knock Kaun Hai?* is a gripping thriller that masterfully plays with the conventions of closed-room mysteries. Set in an isolated bungalow, the film expertly builds an atmosphere of tension and intrigue, keeping audiences on the edge of their seats. The standout performances, particularly from Aditya Srivastav and Dayanand Shetty, elevate the narrative. Srivastav's portrayal of a tormented character adds layers of complexity, while Shetty offers a strong counterbalance with his compelling charisma. Sonali Kulkarni and Barkha Bisht contribute significantly, enhancing the emotional stakes with their nuanced performances. Zarina Wahab rounds out the cast, bringing an air of mystery that lingers throughout the film. Director [Director’s Name] skillfully paces the story, allowing suspense to build gradually without losing momentum. The direction ensures that each twist and turn feels earned, making the viewer question motives and truths until the very end. The film's atmosphere, accentuated by the evocative cinematography and a haunting score, immerses the audience in its eerie world. Overall, *Hello Knock Knock Kaun Hai?* is a commendable addition to the thriller genre, offering a fresh take on familiar tropes and delivering a satisfying experience. **Score: 8/10**