No. Downloading copyrighted audio tracks from unauthorized sources (piracy sites) is illegal, even if you own the movie on DVD. The law considers the audio a separate piece of intellectual property.
The easiest way to get a high-quality Hindi audio track is to subscribe to streaming services. Today, they prioritize dubbing: hollywood movie hindi audio track
While official studios dominate, there is a niche world of "fan dubbing." YouTubes and content creators sometimes dub scenes using AI voice cloning (e.g., putting Prime Minister Modi’s voice into Oppenheimer—these are memes, not legal movies). Do not rely on these for full movies. They violate copyright and sound terrible. The easiest way to get a high-quality Hindi
For those who have a legal Blu-ray rip of an English movie and want to add a Hindi track found online (perhaps from a DVD you own), here is the technical workflow. They violate copyright and sound terrible
A Hindi audio track for a Hollywood movie is a localized soundtrack where the original English dialogue is replaced by Hindi-language voice performances. This makes films accessible to Hindi-speaking audiences across India and other South Asian markets, expanding reach and box-office potential.
The future is IMAX and AI. We are already seeing movies releasing in "Hinglish" (Hindi + English mix) to sound more urban. Furthermore, streaming giants are testing AI-generated lip sync—software that digitally alters the actor's mouth movements to match Hindi words. While controversial, it promises a future where Tom Hardy speaks flawless Hindi with his mouth moving correctly.