NO: E-29021|30565|2020|Electrical(HQ) Dhanbad, Date: 15/12/2020
Chief Inspector of Mines &
Director General of Mines Safety
Directorate General of Mines Safety,
Dhanbad - 826 016.
Mrs. Nandini Chakravarty - Managing Director
M/s. Mine Line Pvt. Ltd.
23, Indrani Park, Kolkata-700 033.
Sub: Approval under Regulation 208 (3) of the Coal Mines Regulations, 2017 for flameproof bolted type plug and socket, type- DV/B/PS-1 rated at 200 A, 550/1100 V, 3 phase, 50 Hz AC manufactured by M/s. Mine Line Pvt. Ltd., Kolkata conforming to IS/IEC 60079-0:2011 and IS/IEC 60079-1:2014 for use in belowground Coal Mines – Renewal thereof.
Please refer to your online application No. E-29021/30565/2020/Electrical (HQ) dated 24.07.2020, offline application No. M20/DGMS/33 dated 24.07.2020 on the above subject and CIMFR Test & Assessment Report No.: IN/CIMFR/TR20/H91 daged 28.08.2020, BIS License 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. 296 of 1989) granted vide this Directorate's letter No. 333/89/1345/EHQ dated 29.08.1989 for a further period of five years, i.e. up to 19.10.2025 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.