The index of mineral production of mining and quarrying sector in December 2011 was higher by 6.39% compared to that of the preceding month. The mineral sector has shown a negative growth of 3.77% during December 2011 as compared to that of the corresponding month of previous year.

The total value of mineral production (excluding atomic & minor minerals) in the country during December 2011 was Rs.17286 crore. The contribution of petroleum (crude) was the highest at INR 5725 crore (33%). Next in the order of importance were:
Coal INR 5292 crore
Iron ore INR 3227 crore
Natural gas (utilized) INR 1430 crore
Lignite INR 362 crore
Limestone INR 286 crore
These six minerals together contributed about 94% of the total value of mineral production in December 2011.

Production level of important minerals in December 2011 were:
Coal 53.6 million tonnes
Lignite 3.7 million tonnes
Natural gas (utilized) 3821 million cubic meters
Petroleum (crude) 3.2 million tonnes
Bauxite 1.111 million tonnes
Chromite 343,000 tonnes
Copper conc. 13,000 tonnes
Gold 171 kilograms
Iron ore 13.6 million tonnes
Lead conc 15,000 tonnes
Manganese ore 181,000 tonnes
Zinc conc 136,000 tonnes
Apatite & phosphorite 208,000 tonnes
Dolomite 422,000 tonnes
Limestone 20.3 million tonnes
Magnesite 15,000 tonnes
Diamond 1499 carat.

In December 2011 the output of gold increased by 47.41%, lignite 24.83%, copper conc. 23.13%, chromite 17.52%, coal 11.45%, bauxite 9.34%, iron ore 8.97%, lead conc. 8.03%, apatite & phosphorite 4.85%, dolomite 3.13%, petroleum (crude) 2.85%, manganese ore 2.50%, natural gas (utilized) 1.51%, zinc conc.0.71%, limestone 0.40 percent. However the production of diamond decreased by 26.77% and magnetite 28.37%