The meaning of "who is this" in Hindi is: "यह कौन है?"
(Pronounced: Yah kaun hai?)
- "यह" (Yah) means "this"
- "कौन" (Kaun) means "who"
- "है" (Hai) means "is"
If you want a more formal or polite version, you can say:
"यह कौन हैं?" (Yah kaun hain?) Let me know if you want more translations
or explanations!