Listen to Vaazhan Thandu online. Vaazhan Thandu is a Tamil language song and is sung by K. V. Mahadevan, A. L. Raghavan and K. Jamunarani. Vaazhan Thandu, from the album Navarasam - Nagaichuvai - Vol. 2 Tamil Film Song, was released in the year 2000. The duration of the song is 3:04. Download Tamil songs online from JioSaavn.