Original language and viewing language
A Malayalam film watched with Tamil audio is still a Malayalam original in the catalogue. Search the film across all languages, then compare the selected edition's available audio tracks. Filtering only Tamil originals can hide the title you meant.
A remake has its own production
The Great Indian Kitchen from 2021 and the Tamil film from 2023 are distinct entries. Compare year, cast and original language. The Tamil production is not merely a language-menu setting on the earlier film.
A dub stays with the same title
For a film such as RRR or a series such as Brinda, a dubbed edition changes the spoken-language presentation rather than the basic production identity. Select the track where the viewing service offers it and sample dialogue before settling in.
Subtitles can be a different answer
Original audio with Tamil or English subtitles may suit you better than a dub. Check both menus independently. Dual audio does not name its two languages, and multi audio does not guarantee every language a viewer might want.