Listen to Agar Tum Na Hote online. Agar Tum Na Hote is a Hindi language song and is sung by Lata Mangeshkar and R.D. Burman. Agar Tum Na Hote, from the album Aye Kaash Main- Rekha Special, was released in the year 2015. The duration of the song is 4:08. Download Hindi songs online from JioSaavn.