The correct answer is 72.In contemporary Carnatic music, 72 Melakarta ragas are there.In Carnatic music, Melakarta is a collection of fundamental music scales.In this ragas contai all seven swaras.Ascending and descending notes have the same notes sometimes.72 Melakarta is divided into two parts "Sudha Madhyama" and "Prati Madhyama".This 72 Melakarta rag has 12 groups that are called chakras.The chakras are Indu chakra, Netra chakra, Agni chakra, Veda chakra, Bana chakra, Rutu chakra, Rishi chakra, Vasu chakra, Bramha chakra, Disi chakra, Rudra chakra, Aditiya chakra. Hanumatodi is one of the ragas from Netra Chakra.