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NO: E-29021|61934|2024|Electrical(HQ) Dhanbad, Date: 02.09.2024 DGMS APPROVAL NO.-661 of 2013(Renewal approval) From Director General of Mines Safety
Directorate General of Mines Safety,
P.O & Distt: Dhanbad - 826 016. To NANDINI CHAKRAVARTY, Mine Line Pvt. Ltd., 23, INDRANI PARK
West Bengal, KOLKATA, KOLKATA, 700033 Madam,
Subject:- DGMS approval no. 661 of 2013 under Regulation 208(3) of the Coal Mines Regulations, 2017 for flameproof machine distributer in fabricated MS construction, designated by type no. MD-1 manufactured by M/s Mine Line Pvt. Ltd., Kolkata conforming to IS/IEC 60079-0:2017 and IS/IEC 60079-1:2014 for use in belowground Coal Mines in India-Renewal thereof. Reference: Test report issued by CIMF vide no.IN/CIMFR/TR23/S/1080 dated 25.07.2023 and the associated drawing no. 120801, Rev:01, dated 19.07.2023. Please refer to your online application No. E-29021/61934//2024/Electrical (HQ) dated 03.06.2024 on the above subject & test reports 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.661 of 2013) granted vide this Directorate's letter No. 333/886/EHQ dated 03.05.2013 for a further period of two years, i.e. up to 03.05.2026 for use in belowground Coal Mines in India. In the interest of safety, the OEM guidelines shall be adhered to and spares, supplied by OEM shall only be used while maintaining the machine/Equipment. The conditions mentioned in the original approval and subsequent renewal letters, if any, shall be strictly complied with and the test reports of all the electrical items covered under approval, conforming to the latest standards, shall be submitted within three months, if not submitted before. The application for renewal should be made at least three (03) months before the date of expiry of the approval. | 
