Listen to Kadhal Azhaga online. Kadhal Azhaga is a Tamil language song and is sung by S.A. Rajkumar, Hariharan and Sujatha Mohan. Kadhal Azhaga, from the album Alai Payuthey Hari Haran Hits, was released in the year 2000. The duration of the song is 4:44. Download Tamil songs online from JioSaavn.