The root note (Shadja). Always fixed; the foundation of all Indian classical music.
| Octave | Note Name | Frequency (Hz) |
|---|---|---|
| Octave 3 | C3 | 130.81 Hz |
| Octave 4 | C4 | 261.63 Hz |
| Octave 5 | C5 | 523.25 Hz |
The following raags in Indian classical music include the Sa (C) note:
In Indian classical music (Hindustani and Carnatic), Sa is the standard designation for this frequency range. As a Shuddha (Natural) note, it plays a vital role in constructing various raags. Western music refers to this note as C.