These fan dubs are unofficial. They are often taken down by Toei Animation for copyright infringement. If you find a "Hindi Dubbed" episode on YouTube, it is likely:
Unlike the original 1999 series, is not a continuation but a complete reboot set in a modern era. The story takes place in 2020, where network technology is crucial to daily life. When a massive cyber-incident threatens the world, Taichi Yagami is transported into the Digital World along with his friends, finding himself partnered with the iconic Agumon. This version features: digimon adventure 2020 hindi dubbed
If you’d like, I can also provide a between the 1999 and 2020 Digimon Hindi dubs or help locate legal streaming links for the original 1999 Hindi dub. Just let me know! These fan dubs are unofficial