The next step was taken when a Coal Board was set up in 1952 with the coal commissioner as chairman for the conservation of coal and maintenance of safety in coal mines . दूसरा कदम था कोयले के संरक्षण और कोयला खानों में सुरक्षा व्यवस्था प्रदान करने की दृष्टि से सन् 1952 में कोल बोर्ड की स्थापना , जिसका अध्यक्ष कोल कमिश्नर को बनाया गया .
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