You can legally watch and download Jumanji: Welcome to the Jungle
JioHotstar: Currently lists the movie in its library, often under "Dubbed Delights".
Movie Details:
Meta Description:
Stellar Chemistry: The bickering between Dwayne Johnson and Kevin Hart is a highlight, but Jack Black arguably steals the show with his pitch-perfect performance as a teenage girl trapped in a man's body. You can legally watch and download Jumanji: Welcome
Introduction
Plot
(the popular girl) becomes the middle-aged male cartographer Professor Shelly Overton (Jack Black). Common Sense Media