How to conserve our Mineral Resources?
According to an estimate in will be depleted of coking coal in 13 years, now coking coal in 116 years, copper in 36 years, and high medium and low grades of iron ores in 32 years, 18! years and 68 years respectively, bauxite in 30 ye lead in 38 years, manganese in 31 years, zinc in years, gold in 10 years and limestone in 446 yean Our position is already critical in respect of energy resources