All bidders shall be required to sign the bid securing declaration as follows: I/ we hereby understand and accept that if / we withdraw or modify my/ our bids during the period of validity, or if I/we are awarded the contract and on being called upon to submit the performance security/ Security Deposit, fail to submit the performance security/Security Deposit before the deadline defined in the request for bid document Notice Inviting Tender, we shall be debared from exemption of submitting Bid Security/ Earnest Money Deposit and performance security/ Security Deposit for a period of 6 (six) months, from the date we are declared disqualified from exemption from submission of EMD/SD, for all tenders for procurement of goods issued by any unit of Indian Railways published during this period.