Tender For providing of custom bid for services - ns/1 loading / unloading of line box of loco pilots & train managers at chittorgarh station for the period of two years (730 days) as per scope of work under schedule-a attached,custom bid for services - ns/2 filling of sand in sand boxes of locos of mail express passenger goods trains & light engines including maintenance of defective sand gears, cleaning of nozzles, hose-pipes etc for ensuring proper function of sand gears..