Ali, M1996-01-012009-05-271996-01-012009-05-271996-01-01Ali M. A brief history of Indian alchemy covering transitional and tantric periods (circa 800 A.D.-1300 A.D.). Bulletin of the Indian Institute of History of Medicine (Hyderabad). 1996 ; 26(1-2): 11-38http://imsear.searo.who.int/handle/123456789/1786A brief history of Indian alchemy covering the pre-vedic, vedic and Ayurvedic periods (Circa 4000 B.C. to 800 A.D.) was given in one of the previous issues of this Bulletin, i.e. Volume 23, NO.2, July, 1993, pp. 151-166. In continuation of the same, this article is presented here, giving an account of the development of the chemical knowledge in India during transitional and tantric periods (circa 800 A.D. to 1300 A.D.).engAlchemyChemistry --historyHistory, MedievalIndiaHistorical Article