That's restricted by YouTube if you're on mobile data (in India). Using wifi will allow you to play it in higher resolutions.
Alternatively, there is a workaround if you use Vanced YouTube. A quick Google search should bring it up.
Google itself reduced the video quality on YouTube.
Now it has been capped at 1080p. But YouTube still tries to keep the video at 480p (Auto).
Portons OnePlus -Concevons ensemble une veste
by pillow35, 2020-08-25