Listen to Rathna Kanchuka online. Rathna Kanchuka is a Kannada language song and is sung by Madhubalakrishna and K.S. Surekha. Rathna Kanchuka, from the album Padma Paada Sundari, was released in the year 2003. The duration of the song is 5:30. Download Kannada songs online from JioSaavn.