Hasna.T, Vivek.P and Manojkumar.N 2021. PRELIMINARY PHARMACOGNOSTICAL, PHYTOCHEMICAL STUDY AND HPTLC ANALYSIS OF COSTUS PICTUS D.DON. International Journal of Ayurveda and Pharma Research. 9, 1 (Feb. 2021), 11-24. DOI:https://doi.org/10.47070/ijapr.v9i1.1765.