Listen to Karu Karu online. Karu Karu is a Tamil language song and is sung by Karthik, Naresh Iyer, Krish, Harris Jeyaraj and Thamarai. Karu Karu, from the album Patchai Kili Muthucharam, was released in the year 2007. The duration of the song is 3:36. Download Tamil songs online from JioSaavn.