[2] It is the Janya raga of 23rd Melakarta rāgam Gowri Manohari in the 72 melakarta rāgam system of Carnatic music.
The Western equivalent is the jazz minor scale but the second and sixth note is omitted in ascending.
Thyagaraja Mangalam is an asymmetric rāgam that does not contain rishabham or dhaivatam in the ascending scale.
Its ārohaṇa-avarohaṇa structure (ascending and descending scale) is as follows.
The notes used in this scale are shadjam, sadharana gandharam, shuddha madhyamam, panchamam and kakali nishadham in ascending scale and chatushruti rishabham and chatushruti daivatam added in descending scale.