If you purchase a legal copy, you get the official 5.1 Hindi audio without worrying about sync issues or malware from torrent sites.
Yes. A true BluRay Repack is uncut. The 99-minute runtime is intact. If your file is 89 minutes long, you have a TV rip, not a BluRay repack. Delete it and find the correct 720p/480p repack. ninja assassin 2009 hindi bluray 720p 480p repack
Early rips of Ninja Assassin had common issues that the Repack fixes: If you purchase a legal copy, you get the official 5