Tender for Supplying, Fabrication, Insertion Of 610mm Dia (od) And 12.5mm Thick Ms Casing Pipe Line 67 Mtr. In Length By Horizontal Direction Drilling (hdd) Technique Underneath The Railway Track At Mast No. 59/29, 59/31 And Mast No. 59/30, 59/32 Near Lc Gate in Parganas - West Bengal

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