What is "udayaravichandrika"

Udayaravichandrika is a rāgam in Carnatic music (musical scale of South Indian classical music). It is an audava rāgam (or owdava rāgam, meaning pentatonic scale ). It is a janya rāgam (derived scale), as it does not have all the seven swaras (musical notes). The equivalent of Udayaravichandrika in Hindustani music is Dhani.