A "Matroska" video container, which often supports multiple subtitles and audio tracks.
The filename Dasa_Purandara_S01E166_Saraswathi_grows_restless_270p_HQ_VOOT_WEB.mkv indicates: A "Matroska" video container, which often supports multiple
You can stream all episodes, including Season 1, Episode 166, on JioCinema (formerly VOOT). Content Details: Show: Dasa Purandara Episode: 166 Language: Kannada A "Matroska" video container
The "270p HQ" in your filename refers to a standard-definition mobile-optimized resolution. Technical File Breakdown including Season 1