It is called Sumadyuti in Muthuswami Dikshitar school of Carnatic music.
The mnemonic phrase is sa ri gi mi pa dha nu.
This musical scale uses the notes chatushruti rishabham, sadharana gandharam, prati madhyamam, shuddha daivatam and kakali nishadham.
Nin charana malare by Pabanasamsivan Here two famous Bengali songs composed by Rabindranath Tagore & Kazi Nazrul Islam, set to Simhendramadhyamam.
Simhendramadhyamam's notes when shifted using Graha bhedam, yields 2 other melakarta rāgams, namely, Mayamalavagowla and Rasikapriya.