Ensure your player settings are set to English (CC) before you head offline.
You can often rent or buy the film directly on YouTube. This is one of the most compatible formats for any portable device, from iPads to Android phones. The "Portable" Viewing Experience raabta english subtitles full portable movie
Unofficial versions often have "laggy" subtitles that ruin the timing of the dialogue. Ensure your player settings are set to English