The "tag" or signature of the release group (ExtraTorrent Release Group) that encoded and uploaded the file. The Film: A Social Commentary
Based on your subject line, it looks like you are referencing a high-definition rip of the 2016 Indian social thriller , starring Irrfan Khan. madaari20161080pbrripx264hindiaacetrg new
Short for "Blu-ray Rip," signifying the video was transcoded from a high-definition Blu-ray source. The "tag" or signature of the release group