How do you say where are you in Tamil?

Answer 1

Nee Yenga Irukkiray?

Neenga Yenga Irukkireenga? (when you tell it to honourable people)

Answer 2

To say "where are you" in Tamil, you can say "நீ எங்கே" (Nee engae) if you are speaking informally, or "நீ எங்கள் இல்" (Nee engalil) if you are speaking formally.