Mohanakalyani is arāgam inCarnatic music (musical scale of South Indian classical music). It is ajanya rāgam (derived scale) from the 65thmelakarta scaleMechakalyani. It is ajanya scale, as it does not have all the sevenswaras (musical notes) in the ascending scale. It is a combination of the pentatonic scaleMohanam and the Melakarta raga scaleKalyani.[1]This ragam can be considered as a Prati Madhyamam equivalent of Bilahari, the janya of 29th Melakartha Dheerashankarabharanam. The equivalent ofMohanakalyani inHindustani music isBhoop Kalyan orShuddha Kalyan.[2]Bhoop Kalyan belongs to theKalyan thaat of Hindustani music. Similar toMohanakalyani,Bhoop Kalyan is a combination ofBhoop andKalyan.[2] Thisrāgam is believed to be invented bySwati Tirunal Maharaja.
Mohanakalyani is an asymmetric rāgam that does not containmadhyamam ornishādham in the ascending scale. It is anaudava-sampurna rāgam (orowdava rāgam, meaning pentatonic ascending scale).[1][2] Itsārohaṇa-avarohaṇa structure (ascending and descending scale) is as follows:
The notes used in this scale areshadjamam, chathusruthi rishabham, antara gandharam, panchamam andchathusruthi dhaivatham in ascending scale, withkakali nishadham andprati madhyamam included in descending scale. For the details of the notations and terms, seeswaras in Carnatic music.
Mohanam has a symmetric pentatonic scale, with the notes same as the ascending scale ofMohanakalyani. Itsārohaṇa-avarohaṇa structure is S R2 G3 P D2 S : S D2 P G3 R2 S
Bilahari is a rāgam which has theshuddha madhyamam in descending scale (descending scale ofShankarabharanam) in place of theprati madhyamam. Itsārohaṇa-avarohaṇa structure is S R2 G3 P D2 S : S N3 D2 P M1 G3 R2 S
