The present invention relates to a synergistic medicament composition for veterinary use. More particularly, the present invention relates to the medicament composition for treatment of liver, anorexia, nutrition, fever etc which is prepared by grinding and mixing of Apan and sopan, Bhumi Kumra,extract of pan, pathar kunchi, paddha gulancha, Agunjala etc which are roasted in sun rays. Moreover this invention also relates to the process of preparing the above medicament composition.