MANNING AND OPERATION OF AC PLANTS AT NAD, DG SET, PUMPS, OH TANK WATER SUPPLY LINES AT TS MAHUL, FIRE FTG INSTAL AT NSD STORE, WED AND PUMP HOUSE AT MINE WORKSHOP PUMP HOUSE AND ALLIED WORKS AND REPAIR/MAINT OF DG SET, PUMPS, AT TS MAHUL AND SEWRI (Tender №97884645)