Listen to O Saiyyan (From "Agneepath") online. O Saiyyan (From "Agneepath") is a Hindi language song and is sung by Ajay-Atul and Roopkumar Rathod. O Saiyyan (From "Agneepath"), from the album Bollywood Retro : Rain Songs, was released in the year 2017. The duration of the song is 4:40. Download Hindi songs online from JioSaavn.