Filmyzilla is not a regulated platform. To generate revenue, they sell ad space to third parties. Many of these ads contain malicious scripts. Downloading a file labeled "Udal HD" might actually install keyloggers (to steal banking passwords) or ransomware (to lock your files) onto your device.
In India, the Copyright Act of 1957 protects cinematograph films. Downloading or distributing copyrighted content without permission is a criminal offense. udal filmyzilla
Another solid platform for Bengali entertainment, Addatimes focuses on regional web series and films. It is a direct competitor to Hoichoi. Filmyzilla is not a regulated platform