If your goal was to "develop a feature" for a personal media library (like Plex or Jellyfin) to manage "patched" or dubbed audio:
. While specific official digital versions are rare, there are ways to find related content and information on its availability. Availability and Formats Dubbing Status If your goal was to "develop a feature"
The Hobbit trilogy is frequently available on Netflix , and depending on your region, it may include a Tamil audio track or subtitles. and depending on your region