These refer to High-Efficiency Video Coding. It’s a compression standard that allows for high-quality video at a much smaller file size than older formats.
Short for "English Subtitles" are included in the file. These refer to High-Efficiency Video Coding
The text you provided is a specific used by piracy websites and torrent trackers to describe a digital copy of the 2022 Indian film Atithi Bhooto Bhava . These refer to High-Efficiency Video Coding