Listen to Saathiya O Saathiya online. Saathiya O Saathiya is a Hindi language song and is sung by Lata Mangeshkar, Usha Mangeshkar and Bappi Lahiri. Saathiya O Saathiya, from the album Happy Birthday Hit Of Mithun, was released in the year 2015. The duration of the song is 6:26. Download Hindi songs online from JioSaavn.