Requirement :
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Hiring of hemm for removal of ob, extraction and transportation of coal from iv(t), iv(b), iii(t), iii(b) seams of nc patch ii of kuya ocp of bastacolla area, bccl 1) in-situ ob 317.17 lcm, 2) dumped loose ob 149.40 lcm, 3) coal 93.20 lmt, 4) stripping ratio 15.0.
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