Listen to Tum Na Jane Kis Jaahan online. Tum Na Jane Kis Jaahan is a Hindi language song and is sung by Lata Mangeshkar and Sanjeevni. Tum Na Jane Kis Jaahan, from the album Unheard Unplugged, was released in the year 2020. The duration of the song is 4:24. Download Hindi songs online from JioSaavn.