Listen to Onam Vannu (From "Poothalam") online. Onam Vannu (From "Poothalam") is a Malayalam language song and is sung by K.J. Yesudas and P. Jayachandran. Onam Vannu (From "Poothalam"), from the album Onathumbi, was released in the year 2019. The duration of the song is 4:26. Download Malayalam songs online from JioSaavn.