Listen to Retha Rakthavu online. Retha Rakthavu is a Kannada language song and is sung by Tejasvini.D.R.. Retha Rakthavu, from the album Bhakthi Illadha Begeyalli Bendhenayya, was released in the year 2014. The duration of the song is 2:36. Download Kannada songs online from JioSaavn.