This Research is a pioneering addition to create an awareness and understanding of Indias tradition of metal technologyits development as well as its spread in different parts of the country. The usefulness of the tract is enhanced by the detailed discussion of the different mines, in different parts of the country, the method of extraction, the composition of different metals in their mined forms, the tools used and the methods of refining. Further, it also describes the manufacture of different objects. The book gives a brief account of mines, mining and products from historical records. In doing so, the author also provides scientific explanation wherever it is needed. Having visited the sites and the working of the process personally, the author provides an authentic account which is not merely extracted from historical and other records