NO: E-29021|30520|2020|Electrical(HQ) Dhanbad, 15/02/2021
Chief Inspector of Mines &
Director General of Mines Safety
Directorate General of Mines Safety,
Dhanbad - 826 016.
Shri Yogesh Suri - Managing Director
M/s. Rana Sales & Service Pvt. Ltd.
102, Industrial Area : Phase I, Panchkula-134 113 (Harayana).
Sub: Approval under Regulation 208 (3) of the Coal Mines Regulations, 2017 for Flameproof Resistance Box for Starting Slipring Motor, model no. RFRB 04 in mild steel construction designated by type air cooled, RV-600 V (max.), RA-80A (max.) resistance steps-7 to be fitted with slipring motor upto 250 KW, 550 V manufactured by M/s. Rana Sales & Service Pvt. Ltd., Panchkula conforming to IS/IEC 60079-1:2014 and IS/IEC 60079-0:2011 for use in belowground Coal Mines – Renewal thereof.
Please refer to your online application No. E-29021/30520/2020/Electrical (HQ) dated 09.06.2020, offline application No. RS/DGMS/RB/RENEWAL/20-21/037 dated 10.06.2020 on the above subject and CIMFR Test & Assessment Report No. IN/CIMFR/TR20/H126 dated 29.09.2020, BIS License No. CM/L–9545491 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. 544 of 2006) granted vide this Directorate's letter No. 500/486/EHQ dated 20.04.2006 for a further period of five years, i.e. up to 20.04.2025 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.