The Tenderers must upload documents pertaining to the successful supply in Zonal Railways/PUs/CORE/PSUs/Other Central Govt.Department/Metro Railway Viz. copy of Receipt Notes,CRN, inspection certificates, invoices with acceptance particular etc. along with their offer, otherwise they shall be deemed to have no such past performance for the tendered item or its variant( same Specifications/Drawing with different size, alteration or revision) and the tender shall be decided accordingly. No back reference shall be made in this regard and railways decision will be final.