Both Sanskrit and Hindi use the same written script (Devanagari) and hence the confusion.
Sanskrit is not a very widely spoken language unlike Hindi.
India has many languages.
Stats from Wikipedia about language speakers:
https://void.cat/d/QmxbkPdZMjywWvJ3Qkf5Cc.webp
I am still figuring out Indian users on nostr.
Most of my friends use Android. Unofficial stats say about 90%+ users use Android.