Sub: Approval of Supreme Instantaneous Copper Electric Detonators (CED) for use in belowground coal mines/seams of third degree gassiness manufactured by M/s. Economic Explosives Limited, Nagpur - Renewal thereof.
Sir,
Please refer to your on line letter No. Nil dated 06.02.2020 on the above subject.
In view of the difficulties expressed by you, I, in exercise of powers conferred upon me under Regulation 208(3) of the Coal Mines Regulations, 2017, hereby renew the approval granted by this Directorate vide letter No. S-66021/181/2006-Genl/4086, dated 29.12.2009 for a further period of two years upto 28.12.2021.
Your Sincerely,
(PRABHAT KUMAR)
Director General of Mine Safety - (HQ)
Date : 24/09/2020
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