If you want to watch the show without an internet connection, use the built-in download features of official apps:

Most paid platforms like ZEE5 allow offline downloads within their respective apps. The Legacy of BR Chopra’s Mahabharat

The good news is that BR Chopra’s legendary is more accessible today—legally and in high definition—than ever before. Here is everything you need to know about watching or downloading the series safely. Why Avoid Filmyzilla and Similar Sites?