Listen to O Sanam- Duet Version online. O Sanam- Duet Version is a Hindi language song and is sung by Ashim Sardar, Anwesshaa Dattagupta and Saptarshi Mukherjee. O Sanam- Duet Version, from the album O Sanam, was released in the year 2018. The duration of the song is 5:18. Download Hindi songs online from JioSaavn.