Synopsis SPI Part -I, Volume I, First Edition is a collection of pharmacopoeial standards for plant origin single drug monographs used in Siddha system of medicine, The monographs are prepared by Siddha Pharmacopoeial Committee in accordance with the drugs and Cosmetics act 1940 subsequently amended in 1964 and 1982 and published by department of AYUSH, Ministry of Health and Family Welfare, Government of India. The CD is digitized version of SPI, Part-I, Volume I with 73 plant origin single drug monographs in- e-books software and PDF format.