Listen to Katru Vanga online. Katru Vanga is a Tamil language song and is sung by M. S. Viswanathan and T. M. Sounderarajan. Katru Vanga, from the album Periya Idathu Penn Kalangarai Vilakkam, was released in the year 2004. The duration of the song is 3:44. Download Tamil songs online from JioSaavn.