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Construction of ten(10) nos. Ventilation Stopping at (R-VIII) seam of Dubeswari Colliery underground/ECL/SDPA/GM/Sur/e-Tender/2023/ 1996 dt.04.09.2023/2023_ECL_288093_1

Roof bolting in underground at Patmohona Colliery/ECL/SDPA/GM/Sur/e-Tender/2023/ 1999 dt.04.09.2023/2023_ECL_288119_1

REFER BIDDING DOCUMENT/SM/B588-000-CA-T-8010/002/2023_EIL_770273_1

Side cutting and construction of Side Wall along -1 Level West side of 3 no. Pit bottom in Sripur R-VI seam of Methani Colliery/ECL/SDPA/GM/Sur/e-Tender/2023/ 2001 dt.04.09.2023/2023_ECL_288194_1