Answer
S. Janaki is an Indian playback singer. She is known for her songs in Tamil, Telugu, Malayalam, Kannada, Marathi, Bengali, Hindi, Oriya, Gujarati, Urdu, Konkani and Bhojpuri films. She is the only female singer in India to have recorded songs in all 22 scheduled languages of India. Dr. Balamuralikrishna is an Indian Carnatic vocalist, composer, musicologist and scholar.