Listen to Vaikkathashtami online. Vaikkathashtami is a Malayalam language song and is sung by K.J. Yesudas and S. Janaki. Vaikkathashtami, from the album Duets Of K.J. Yesudas -Revival, was released in the year 2000. The duration of the song is 3:06. Download Malayalam songs online from JioSaavn.