Listen to Kya Hai Zindagi Mein online. Kya Hai Zindagi Mein is a Hindi language song and is sung by Rehan Khan. Kya Hai Zindagi Mein, from the album Kya Hai Zindagi Mein, was released in the year 2020. The duration of the song is 4:09. Download Hindi songs online from JioSaavn.