Anti ulcer activity of root, stem and leave of Murrya koenigii (Linn.) Spreng was studied against ethanol, hydrochloric acid, indomethacin, stress and pyloric ligation induced gastric ulceration in albino rats. Significant antiulcer activity was observed in root, stem as well as leave of MurryaKoenigii (Linn.) Spreng in all the gastric ulcer models studied. Maximum anti ulcer activity was found...