I would guess there are a ton of ways to tell what caste someone is. Where they are from, accent, one article I remember reading mentioned a person was Buddhist

I would guess there are a ton of ways to tell what caste someone is. Where they are from, accent, one article I remember reading mentioned a person was Buddhist not Hindu and keeping that secret to avoid caste discrimination https://www.wired.com/story/trapped-in-silicon-valleys-hidden-caste-system/ https://www.wired.com/story/trapped-in-silicon-valleys-hidde...