Supply, Transportation, Trenching, Laying, Backfilling, Horizontal Directional Drilling, Hdpe Pipe Insertion, Blowing, Jointing, Termination, Commissioning Of Optical Fiber Cable & Construction/Modification/Extension Of Huts For Provision Of 4X48f Optical Fibre Cable Backbone For Kavach In Bilaspur-New Katni Junction Section Of Bilaspur Division Of Sec Railway