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Kathanakuthuhalam or kathanakuthoohalam, also known as kathanakuthuhala is a raga in Carnatic music. Patnam Subramania Iyer is credited with inventing this raga. The famous kriti Raghuvamsha Sudhambudhi written by him is in this raga.
Structure
Its ārohaṇa-avarohaṇa structure (ascending and descending scale) is as follows (see swaras in Carnatic music for details on below notation and terms):