Listen to Itna To Kah Do Humse online. Itna To Kah Do Humse is a Hindi language song and is sung by Lata Mangeshkar and Hemanta Kumar Mukhopadhyay. Itna To Kah Do Humse, from the album Lata Hemant Kumar - Great Duets, was released in the year 2003. The duration of the song is 3:11. Download Hindi songs online from JioSaavn.