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Decentralization in india of coal mining

May 17, 2021 In this article, You will read Coal Reserves in India and Coal Mines in India – for UPSC IAS. Coal. Coal is a combustible black or brownish-black sedimentary rock with a high amount of carbon and hydrocarbons. Coal is classified as a nonrenewable energy source because it takes millions of years to form. Coal contains the energy stored by

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