Hamsadhvani

It is an audava rāgam (or owdava rāga, meaning pentatonic scale).

It is a pentatonic scale (audava-audava ragam[3][5] in Carnatic music classification – audava meaning 'of 5').

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 shadjam, chatushruti rishabham, antara gandharam, panchamam and kakali nishadam.

[3] There are many kritis (compositions) in praise of Lord Ganesha set in this musical scale.

For more details and illustration of this concept refer Graha bhedam on Hamsadhvani.