Hello Knock Knock Kaun Hai: Dayanand “Daya” Shetty’s Suspense Thriller Unveils Star-Studded First Look and Trailer Mumbai — The first look and trailer of Hello Knock Knock Kaun Hai, the much‑anticipated suspense thriller from Daya Shetty Productions, were unveiled today at a glittering launch in Mumbai’s western suburbs. Hosted by dialogue writer and lyricist Suhail […]