Mela 2Indu chakraM1
Ratnangi
The name is the number
Ratnangi
Rara2tnana020 reversed2
In the conjunct 'tna', the last consonant (na) carries the value.
Every mela name encodes its own number — how the katapayadi sutra works.
SSR1R1G1G1M1M1PPD1D1N2N2SS (upper octave)
SS (upper octave)N2N2D1D1PPM1M1G1G1R1R1SS
How to know it
A rare vivadi scale; the kaisiki nishada gives it a slightly warmer descent than Kanakangi.