Listen to Ethra Ethra Naalaay Kaathu online. Ethra Ethra Naalaay Kaathu is a Malayalam language song and is sung by C. S. Radha Devi and Kamukara Purushothaman. Ethra Ethra Naalaay Kaathu, from the album Mandravathi, was released in the year 1956. The duration of the song is 2:11. Download Malayalam songs online from JioSaavn.