Mining business in Rajasthan: There are approximately 67 types of minerals are mined in Rggasthan. Rajasthan has the highest deposits of rock phosphate. Rajasthan has monopoly in the production of lead, zinc, gypsum, silver marble, etc. Other major minerals are limestone, tungsten, mica, copper and building stones. Owing to availability of minerals in Rajasthan there are many opportunities of the establishment of industries based on minerals. For this reason our state government is paying attention to establish mineral based industries in the state.