Listen to Etho Nidrathan (Duet Version) online. Etho Nidrathan (Duet Version) is a Malayalam language song and is sung by Raveendran Master, K.J. Yesudas and Sujatha Mohan. Etho Nidrathan (Duet Version), from the album Ayaal Katha Ezhuthukayanu (Original Motion Picture Soundtrack), was released in the year 2003. The duration of the song is 5:37. Download Malayalam songs online from JioSaavn.