This indicates the file includes the "Original" Hindi dubbed track alongside the original Malayalam audio.
A "High Definition Rip" of the full version of the movie (no scenes removed) with English subtitles included. About the Movie This indicates the file includes the "Original" Hindi
The video resolution (Standard Definition) and the approximate file size. This indicates the file includes the "Original" Hindi
The name of the website or uploader group that distributed the file. This indicates the file includes the "Original" Hindi
Based on the file naming convention, here is what each part of that string means: