Who composed a form of song in the Carnatic music repertoire in all the '72 Melakarta Ragas?
Prashanth Iyengar: Prashanth Iyengar (born 12 January 1973) is a classical musician and veena exponent from India, in the Carnatic Music genre. Prashanth Iyengar:  He is the first composer from Karnataka to have composed Varnams in all the '72 Melakarta Ragas. Varnam: Varṇam is a form of song in the Carnatic music repertoire consisting of short metric pieces which encapsulate the main features and requirements of a "raga".
Prashanth Iyengar