Listen to Kalbhairav Ashtakam - Acoustic Duet online. Kalbhairav Ashtakam - Acoustic Duet is a Hindi language song and is sung by AUM. Kalbhairav Ashtakam - Acoustic Duet, from the album Kalbhairav Ashtakam, was released in the year 2025. The duration of the song is 3:47. Download Hindi songs online from JioSaavn.