Listen to Radha Sametha Krishna (Sudha Ragunathan) online. Radha Sametha Krishna (Sudha Ragunathan) is a Tamil language song and is sung by Sudha Ragunathan. Radha Sametha Krishna (Sudha Ragunathan), from the album The Carnatic Brilliance - Sudha Raghunathan, was released in the year 2017. The duration of the song is 2:59. Download Tamil songs online from JioSaavn.