Unfortunately, the official broadcasters have not released a single combined pack of all 820+ episodes with baked-in subtitles. You have to source the video and subtitles separately.
If you prefer physical media or alternate platforms, you have a few other choices: Hi Devon Me Dev Mahadev with eng subtitles : r/hinduism devon ke dev mahadev all episodes with subtitles link
Open them in Notepad. A genuine .srt file looks like this: Unfortunately, the official broadcasters have not released a
: The video quality automatically adjusts based on your internet speed to prevent buffering. devon ke dev mahadev all episodes with subtitles link
If you prefer to own a permanent copy with guaranteed English subtitles, physical media is a great alternative: : Official DVD sets, such as the 10 Disc DVD Set (Part 1) Go to product viewer dialog for this item.