Thyagaraja Mangalam is an asymmetric rāgam that does not contain rishabham or dhaivatam in the ascending scale. It is an audava-sampurna rāgam (or owdava rāgam, meaning pentatonic 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. It is a audava - sampurna rāgam