Listen to Etho Nidrathan - Duet online. Etho Nidrathan - Duet is a Malayalam language song and is sung by Raveendran Master, Sujatha Mohan and K.J. Yesudas. Etho Nidrathan - Duet, from the album Ayal Kadha Ezhuthukayanu, was released in the year 1998. The duration of the song is 5:37. Download Malayalam songs online from JioSaavn.