Alternatively, you can open the subtitle file manually in your video player (e.g., in VLC, go to Subtitle -> Add Subtitle File... and select your .srt file). This method works even if the file names don't match.
If you already possess a digital copy of the movie, you can search for the subtitle file (usually in .srt format) from free online archives. Here are the top sites for finding a download link for "KGF Chapter 1 English subtitles". kgf chapter 1 english subtitles download link