There are some well-known ragas that form the core of the Hindustani tradition, and these are further classified into "Thaats." There are ten Thaats, which are like parent scales or melodic frameworks, from which the ragas are derived. Each Thaat has a set of characteristic intervals, and the ragas in that Thaat will use those intervals as a basis.
The ten Thaats in Hindustani music are:
Each Thaat can have numerous ragas associated with it. Some of the famous ragas in Hindustani music include Yaman, Bhairav, Bhairavi, Malkauns, Darbari Kanada, Kafi, Kedar, Hameer, Bageshri, and many more.
It is important to note that the number of ragas in Hindustani music is not fixed, and new ragas continue to be created and introduced into the tradition by musicians.