Listen to Charmu Ko So Raato Rang online. Charmu Ko So Raato Rang is a Hindi language song and is sung by Tejkaran Rao and Rekha Rao. Charmu Ko So Raato Rang, from the album Chhamachham Nachungi, was released in the year 1999. The duration of the song is 8:13. Download Hindi songs online from JioSaavn.