Listen to Potrithiru Agaval online. Potrithiru Agaval is a Tamil language song and is sung by Tiruttani N. Swaminathan. Potrithiru Agaval, from the album Thiruvasagam Without Narration Vol - 1, was released in the year 2009. The duration of the song is 20:46. Download Tamil songs online from JioSaavn.