Listen to Kallagganthalu Kattadhoi online. Kallagganthalu Kattadhoi is a Telugu language song and is sung by A.R. Rahman and Hariharan. Kallagganthalu Kattadhoi, from the album Iddaru, was released in the year 1997. The duration of the song is 5:56. Download Telugu songs online from JioSaavn.