Listen to Mandarappoovum (Duet) online. Mandarappoovum (Duet) is a Malayalam language song and is sung by Karthik and Shweta Mohan. Mandarappoovum (Duet), from the album Sakalakala Shala, was released in the year 2018. The duration of the song is 3:49. Download Malayalam songs online from JioSaavn.