Madhyam is the fourth svara from the seven svaras of Hindustani music and Carnatic music.
[1] This article is written from the Hindustani perspective.
Madhyam is the long form of the syllable म.
[2] For simplicity in pronouncing while singing the syllable, Madhyam is pronounced as Ma (notation - M).
The following is the information about Madhyam and its importance in Indian classical music : So the svara Ma is formed from Shadja.