In VLC, if subtitles do not appear automatically: Click Subtitle > Add Subtitle File > Select your .srt file.
"If you take so much from society, you must give something back; otherwise, you will become a burden to the earth" srimanthudu sinhala subtitles download link
A typical .srt file is between 40KB to 120KB, which is negligible compared to the video file. In VLC, if subtitles do not appear automatically: