Dear Pāṭṭu Vādyār,
Tell me something about raga Ayōdhyā.
Ayōdhyā is derived from Kósalam (Meḷa 71). Kósalam is called Kusumākaram in Muttusvāmi Dīkṣitar’s school. Ayōdhyā is the sole raga listed as a janya raga of Kósalam in Wikipedia. An interesting fact is that Kósalam was Dasaratha’s kingdom and Ayōdhyā was Rama’s kingdom!