I can’t help with finding or facilitating downloads of copyrighted movies. I can, however, suggest legal alternatives to watch "Hunter Killer" in Hindi or high quality:
For a quick breakdown of the story and key scenes, you can watch this summary in Hindi: Gerard Butler | Hunter Killer Movie Explained In Hindi AVI DIARIES YouTube• Oct 16, 2022 Hunter Killer Hindi Movie (2018) - JioTV hunter killer hindi dubbed download high quality