If you're interested in watching "Kabhi Khushi Kabhie Gham" with English subtitles, here's a step-by-step guide on how to download them:
Downloading SRT files for a movie you do not own is a grey area. However, downloading subtitles for a physical DVD or digital file you have purchased is generally considered "format shifting" for personal use.
Watching a movie with subtitles can enhance your viewing experience, especially if you're not fluent in Hindi or prefer to understand the dialogue in your native language. English subtitles can help you follow the complex plot and character interactions, making it easier to enjoy the movie.
Once you download an SRT file, jump to these three specific time stamps (in the Theatrical cut) to verify accuracy. A bad SRT will fail here.