Listen to Vani Kau Vimal Ras online. Vani Kau Vimal Ras is a Hindi language song and is sung by Pandit Ajay Pohankar. Vani Kau Vimal Ras, from the album Ashta Prahar, was released in the year 2002. The duration of the song is 6:20. Download Hindi songs online from JioSaavn.