Tender For drilling of 3 nos of 12.5 inches dia boreholes for a depth of 50 mtrs each with casing of 8 inches dia ms pipes and lowering of 6 inches dia gi or ms pipes from surface to 3 seam for stowing purpose near stowing bunker-2 (south) at srp-3 and 3a incline, srp area as per scope of work, terms and conditions of nit