This invention relates to field of herbal medicine from a novel herb Dalbergia Latifolia Roxb. which has several medicinal properties like antioxidant, and heptoprotectant activity. The invention relates to identification and purification of phytochemical constituents. The hepatoprotective and antioxidant nature of the Dalbergia Latifolia Roxb. extracts were investigated in liver and kidney. The extracts were found to possess hepatoprotective and antioxidant activities that can be comparable with the standard drug silymarin. The maximum effect was shown by the hydro-ethanolic extract of the plant Dalbergia Latifolia Roxb.