Bidder should be OEM or authorized dealer of OEM. Dealers should attach Tender Specific Authorization from OEM without which their offer will be summarily rejected. OEMs can authorize and give Tender Specific Authorization to its Agent / dealers to quote on their behalf provided the vendor takes full responsibility for the quality of the material including warranty obligation and the inspection of product against Railways order is carried out at the manufacturer premises. In a tender, either the Indian agent on behalf of the Principal/OEM or Principal/OEM itself can bid but both cannot bid simultaneously for the same item/Product in the same tender. In a tender, if Indian agent on behalf of the Principal/OEM or Principal/OEM bids simultaneously for the same item/product in the same Tender, then both the offers will be considered ineligible and will be summarily rejected. If an agent submits bid on behalf of the Principal/OEM, the same agent shall not submit a bid on behalf of another Principal/OEM in the same tender for the same item/product. If an agent submits bids on behalf of the Principal/OEM and also on behalf of another Principal/OEM in the same tender for the same item/Product, then Both offers will be considered ineligible and will be summarily rejected. In view of the above, Manufacturer may note that an agent can represent only one firm in a tender and any manufacture cannot submit more than one offer Against a tender through different sole selling agents or one offer directly and Other offers through sole selling agents, in other words, in a tender, either the Indian agent on behalf of the Principle/OEM or Principal/OEM itself can bid but both cannot bid simultaneously for the same items/product in the same tender. In such a situation all such offers will be rejected.