Composite Work Of Supply, Erection, Testing &Amp Commissioning Of 25 Kv A.C. Single Phase Overhead Equipment, Lt Supply Transformer And Switching Station Etc. And Electrical(g) Works In Connection With Construction Of (A)bypass Line At Madhupur (Umbrella Work) In Asansole Division (B) Proposed Extension Of Existing Officer Rest House At Rampurhat In Howrah Division And (C) New 5th Line Between Durgapur Coke Oven Plant To Durgapur In Asansole Division Of Eastern Railway