Sr. No. Title Date Document
1 Modified laid down procedure for Sampling and Analysis for the FY 2025-26
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2 Guidelines to quantify the coal consumed from coal mine for coal gasification / liquifaction
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3 SO No 357 Grading of Lignite 23-01-2023A-Wn
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4 Grading of Lignite
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5 Colliery Control (Amendment) Rules, 2021
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6 Gazette Grading of Coal
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7 IS770 2013
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8 Gazette Notification regarding switch over from UHV to GCV.
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9 BIS Is.1350.1.1984 -
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10 BIS Is.1353.1993 Caking Index -
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