What is "simhendramadhyamam"

Simhendramadhyamam or Simmendramadhyamam is a rāgam in Carnatic music (musical scale of South Indian classical music). It is the 57th melakarta rāgam in the 72 melakarta rāgam system of Carnatic music. It is called Sumadyuti in Muthuswami Dikshitar school of Carnatic music. It is said to be borrowed into Hindustani music from Carnatic music.