An anti-cough, anti-tussive, and throat soothing synergistic herbal formulation comprising of an extract of Piper cubeba, Glycyrrhiza glabra, Acorus calamus Alpinia galanga, Zingiber officinale and pharmaceutically acceptable additives as a syrup, lozenges or chewable tablets for preventing cracking of voice, dryness of mouth and toning of voice, vocal cord; the present invention also provides a method of preparation of this formulation.