Monamour was never officially released in Hindi. The original audio is Italian. Some international DVDs include an English dub (often poorly acted). The in this file is almost certainly a fan-dub or a pirated radio recording where:
For more context on the film's production and the director's unique style, you can explore these resources: Production Background Director's Style Cast and Crew Details IMDb: Monamour (2005) Monamour 2005 -ESubs- Hindi-English 480p BluRay.mkv
It was one of the last major "theatrical" releases of its kind before the digital era changed how these types of films were made. Monamour was never officially released in Hindi