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Sand Sand shall not be treated as a minor mineral when used for any of the following purposes namely; purpose of refractory and manufacturer of ceramic, metallurgical purposes, optical purposes, purposes of stowing in coal mines, for the manufacture of silvicrete cement, manufacture of sodium silicate and manufacture of pottery and glass. Under MMDRA, 1957 Sand is a minor mineral and sand mining is regulated by State Govts. Sand mining

Compressed Biogas and SATAT

Compressed Biogas and SATAT About Biogas Energy is produced from organic waste. Converted into energy by direct combustion or by conversion of such wastages into alcohol, methane, or other storage fuels. Bio-gas is produced naturally through the process of anaerobic decomposition from waste and bio-mass sources like agriculture residue, cattle dung, municipal solid waste, farms, gardens, kitchen waste, night soil waste, sugarcane pres