Listen to Endhanukku Undan Mugam online. Endhanukku Undan Mugam is a Tamil language song and is sung by Rathna Sooriyan, P. Susheela and Girija Shankar. Endhanukku Undan Mugam, from the album Om Saravanabava Murugan, was released in the year 2003. The duration of the song is 5:05. Download Tamil songs online from JioSaavn.