Wikipedia
Keeravani
Keeravani (pronounced ) is a rāgam in Carnatic music (musical scale of South Indian classical music). It is the 21st Melakarta rāgam in the 72 melakarta rāgam system of Carnatic music. The 21st melakarta rāgam as per Muthuswami Dikshitar school of music is .
This rāgam is a popular scale in western music as well. The Western equivalent is the Harmonic minor scale. It is said to be borrowed into Hindustani music from Carnatic music.