Listen to Petta Thullaan Njangalum Vannu online. Petta Thullaan Njangalum Vannu is a Malayalam language song and is sung by Chengannur Sreekumar. Petta Thullaan Njangalum Vannu, from the album Ayyappa Sopanam, was released in the year 2019. The duration of the song is 6:09. Download Malayalam songs online from JioSaavn.