The 72 Melakarta Ragas constitute the basic and fundamental Ragas from which other Ragas can be generated.
The Melakarta Ragas are classified into 12 divisions known as Cakras comprising 6 Ragas each as follows:
Indu
Netra
Agni
Veda
Bana
Ritu
Rishi
Vasu
Brahma
Disi
Rudra
Aditya