Listen to Viral Pattal (Duet) online. Viral Pattal (Duet) is a Tamil language song and is sung by S.P. Balasubrahmanyam and K. S. Chithra. Viral Pattal (Duet), from the album Deva Hits Vol 3, was released in the year 1998. The duration of the song is 4:53. Download Tamil songs online from JioSaavn.