The mnemonic phrase is sa ri gi ma pa dha nu.
[1] Its ārohaṇa-avarohaṇa structure (ascending and descending scale) is as follows (see swaras in Carnatic music for details on below notation and terms): The notes used in this scale are chathusruthi rishabha, sadharana gandhara, suddha madhyama, panchama, suddha dhaivatha, kakali nishadha.
Other popular janya ragams include Chandrakouns, Sāmapriya and Vasantamanohari.
(Ragam Darbarikaanada touches) This section covers the theoretical and scientific aspect of this rāgam.
Keeravani's notes when shifted using Graha bhedam, yields 3 other major melakarta rāgams, namely, Hemavati, Vakulabharanam and Kosalam.