If you are a true fan, look for the Director’s Cut. It adds over 30 minutes of footage, making the story much darker and more aligned with the original mythology.
This signifies a Dual Audio file. It means the movie contains both the original English audio track and the dubbed Hindi version, switchable within the media player.
These are references to popular file-hosting and "piracy" indexing sites known for compressing high-quality films into smaller, manageable sizes.