These are generally unofficial "video grabber" sites. Users paste a link from a streaming service, and the site attempts to convert that link into a downloadable MP4 file. They are not affiliated with the official Disney+ Hotstar platform.
These sites often lack clear privacy policies and may track your IP address, browser data, or search history for sale to third-party advertisers. yourhotstarmp4
Most subscription tiers allow you to download movies and shows directly within the app for offline viewing. These are generally unofficial "video grabber" sites