Listen to Athu Oru Kaalam online. Athu Oru Kaalam is a Tamil language song and is sung by Premgi Amaren and Haricharan. Athu Oru Kaalam, from the album Adhe Neram Adhe Idam, was released in the year 2009. The duration of the song is 4:39. Download Tamil songs online from JioSaavn.