The article provides an overview of the Melakarta raga system in Carnatic music, focusing on the Indu chakra, which is the first of the 12 chakras. It covers the key rules and characteristics of Melakarta ragas, such as the requirement of containing all seven swaras in both the arohanam and avarohanam. The document then introduces the six ragas that belong to the Indu chakra, including Kanakangi, Ratnangi, Ganamurti, Vanaspati, Manavati, and Tanarupi. For each raga, the document provides the mnemonic name, the arohanam and avarohanam, and the actual swaras used.