Regarding the 2021 release, I assume you might be referring to a potential re-release or a different version of the original film. If you're looking for high-quality English audio, I recommend checking out the original Gladiator film's Blu-ray or 4K Ultra HD release, which features a high-quality audio mix.
There is no official confirmation from Paramount Pictures or any reliable sources about a Gladiator II release in 2024. However, it's known that a sequel to the original Gladiator (2000) film was in development. In 2021, it was reported that Ridley Scott, the director of the first film, would return to helm Gladiator II, with a script written by David Franzoni.
For more information on Gladiator II or the original film's re-release with dual audio in Hindi and English, I recommend keeping an eye on official announcements from Paramount Pictures or reliable entertainment news sources.
You're looking for information on Gladiator II (2024) with dual audio in Hindi and high-quality English, possibly referring to the 2021 release. Here's what I found: