Tender For corrigendum : providing of annual maintenance service -data center assets - compute; rack server; oem authorised service provider,annual maintenance service -data center assets - compute; rack server; oem authorised service provider,annual maintenance service -data center assets - compute; rack server; oem authorised service provider,annual maintenance service -data center assets - storage & backup devices; enterprise-storage; oem authorised service provider,annual maintenance service -data center assets - network devices; san switch (edge); oem authorised service provider,annual maintenance service -data center assets - network devices; layer-3-core-switch; oem authorised service provider,annual maintenance service -data center assets - network devices; layer-3-core-switch; oem authorised service provider,annual maintenance service -data center assets - network devices; sfp10csr; oem authorised service provider,annual maintenance service -data center assets - network devices; 24 port l2 switches; oem authorised service provider,annual