Tenders for Shifting Of Existing Cast Iron Fire Hydrant Water Pipe Line Along The Track Side At Both Up & Dn Track From Km 1/4 To Km 7/14 Between Station Dum Dum Kdmi Incl. To Station Central Kcen Incl. For Providing & Widening Of Side Passage Pathway In Underground Tunnel For Creating Pathway For Evacuating Passengers In Emergencies.
