Check if there are common issues with "3 Idiots" .mkv files. Maybe some torrents have issues. Suggest re-indexing as a solution.
Also, note that re-indexing can take time for large files but is usually straightforward. Provide clear steps for both installation and the re-indexing process. index of mkv 3 idiots install
Wait, the user wrote "index of mkv 3 idiots install"—could they be asking for an installation index, like a list of files in the install package of a movie? But that's less likely. More likely, indexing the video file. Check if there are common issues with "3 Idiots"