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NO: E-29021|62468|2025|Electrical(HQ) Dhanbad, Date: 03/09/2025
DGMS APPROVAL NO.-E_62468/2
From
Director General of Mines Safety
Directorate General of Mines Safety,
P.O & Distt: Dhanbad - 826 016.
To
DHRUBO MUKERJEE, SAIT MINE LINE PVT. LTD., 52 GOLF CLUB ROAD, KOLKATA - 700 033
West Bengal, Kolkata, KOLKATA, 700033
Subject: Approval under Regulation 208 (3) of the Coal Mines Regulations, 2017 for flameproof Gate End Box cum Starter rated up to 90 KW, at up to 550 V designated by Type no.KSL-1 in mild steel fabricated flameproof enclosure manufactured by M/s. SAIT MINE LINE Pvt. Ltd., Kolkata conforming to IS/IEC 60079-0:2017 and IS/IEC 60079-1:2014for use in belowground Coal Mine –Renewal thereof.
Ref :test report no. IN/CIMFR/TR22/R/3061 dated 11/01/2022 with certified drawing no. 98045 , Rev.03 (Sheet 01 to 04)
Sir,
Please refer to your online application no. E-29021/62468/2025/Electrical (HQ) dated 28/07/2025 on the above subject and test report no. IN/CIMFR/TR22/R/3061 dated 11/01/2022, BIS Licence no. CM/L- CM/L- 5805269 with endorsement no. 13 dated 29/09/2024 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.504of 2004) granted for renewal approval vide this Directorate's letter no. E-29021|120|2018|Electrical (HQ) dated 23/05/2018 for a further period of two years i.e. up to 03/09/2027 for use in belowground Coal Mines in India.
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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