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NO: E-29021|40967|2021|Electrical(HQ) Dhanbad, Date: 26.11.2021
DGMS APPROVAL NO.521 of 2004
From
Director General of Mines Safety &
Chief Inspector of Mines
Directorate General of Mines Safety,
Dhanbad - 826 001.
To
NANDINI CHAKRAVARTY, Mine Line Pvt. Ltd., 23, INDRANI PARK
West Bengal, KOLKATA, KOLKATA, 700033
Subject: Approval under Regulation 208 (3) of the Coal Mines Regulations, 2017 for flameproof plug and socket, type-DV/R/PS-2, rated at 300 A, 1100 V, conforming to IS:60079-0:2011 and IS/IEC 60079-1:2014 manufactured by M/s. Mine Line Pvt. Ltd., Kolkata for use in belowground Coal Mines– Renewal thereof.
Dear Madam,
Please refer to your online application No.E-29021/40967/2021/Electrical (HQ) dated 29.08.2021, offline application No. M21/DGMS/38 dated 29.08.2021 on the above subject and CIMFR Test & Assessment Report No.CIMFR/TC/S/H641 dated 02.02.2015, BIS Licence No. CM/L-0893166 and other documents submitted therewith in this regard.
I, in exercise of powers conferred upon Chief Inspector of Mines (also designated as Director General of Mines Safety) under Regulation 208 (3) of the Coal Mines Regulations, 2017, hereby renew the approval (DGMS Approval No. 521 of 2004) granted vide this Directorate's letter No. 333/237/EHQ dated 17.11.2004 for a further period of five years, i.e. up to 17.11.2026 for use in belowground Coal Mines. The conditions mentioned in the original approval and subsequent renewal letters shall be strictly complied with.
Please note that application for renewal should be made at least three (03) months before the date of expiry of the approval.
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