Airtel Super Singer 4 included a guest judge who was a veteran singer of what languages?
L. R. Eswari Lourde-Mary Rajeswari Eswari (L. R. Eswari) is a veteran playback singer of the Tamil cinema, Telugu cinema, Malayalam cinema and Kannada cinema industries. She also sang in other languages like Hindi, Tulu, and English.
Tanvi Shah Tanvi Shah is the first Indian woman to win a Grammy. She has sung in Tamil, Hindi and Telugu and added to it, she sings in Spanish, Arabic, Portuguese and other Latin languages. Her first song was "Fanaa" for the movie "Yuva".