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.
Nanditha Nanditha (born February 28, 1978) is an Indian singer. Best known as a playback singer in the Kannada film industry, she sings in other languages such as Tamil and Telugu. Nanditha began her playback career from the film "Habba" (1998). Since then, she has won numerous awards including the Karnataka State Film Awards and Filmfare Awards South for her singing.