supply of metal shelving racks (adjustable type) confirming to is 1883 open-type for comprehensive storage infrastructure for systematic preservation and management of service record files of retired staff, running ledger registers, sensitive office documents, and day-to-day working files in accounts office, south east central railway, raipur division.metal shelving racks (adjustable type) confirming to is 1883 open-type for comprehensive storage infrastructure for systematic preservation and management of service record files of retired staff, running ledger registers, sensitive office documents, and day-to-day working files in accounts office, south east central railway, raipur division.,metal shelving racks (adjustable type) confirming to is 1883 open-type for comprehensive storage infrastructure for systematic preservation and management of service record files of retired staff , running ledger registers, sensitive office documents, and day-to-day working files in accounts office, s outh east central railway, raipur division. [ warranty period: 30 months after the date of delivery ] ] => limited