India has attained self-sufficiency in the production of – (1) Iron (2) Coal (3) Manganese (4) Nickel

India has attained self-sufficiency in the production of – (1) Iron (2) Coal (3) Manganese (4) Nickel
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(2) Coal Explanation: India has the 4th largest coal reserves in the world. Indian mineral industry has contributed significantly to make the nation self-sufficient in coal. To meet the demands of thermal, cement and other users, the production trends in coal and lignite sectors have shown a remarkable increasing trend.
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