bids are invited for custom bid for services - white washing with lime and stone dusting in underground galleries of haulage and traveling roadways first aid station reserve station miner station and electric sub station for working district at vishnupuri underground min.. - white washing with lime at coal pillars in underground galleries (both sides and roof) of haulage and traveling roadways, first aid station, reserve station, miner station and electric sub station for working district at vishnupuri underground mine no. ii of pench area. (including materials, one or more coats) (including loading & unloading into tubs and carriage at various working sites) , stone dusting in underground galleries of haulage and traveling roadways, first aid station, reserve station, miner station and electric sub station for working district at vishnupuri underground mine no. ii of pench area. (excluding materials) (including loading of stone dust from unit store and unloading at pit top then loading into tubs and unloading at various sites and spreading of stone dust)