S D forfeit The purchaser shall be entitled and it shall be lawful on his part to forfeit the SD in whole or in part in the event of any default, failure or neglect on the part of the contractor in the fulfilment or any other contract with the purchaser or any part thereof to the satisfaction of the purchaser. The purchaser shall also be entitled to deduct from the said deposits any loss or damage which the purchaser may suffer or be put by reason of or due to any act or other default, recoverable by the purchaser from the contractor in respect of the contract under reference or any other contract and in either of the events aforesaid to call upon the contractor to maintain the security deposit as its original limit by making further deposits provided further that the purchaser shall be entitled to recover any such claim from any sum then due or which at any time thereafter may become due to the contractor under this or any other contracts with the purchaser. Wherever the supplies are to be delivered in more than one instalment/lot, each such instalment/lot forms a severable contract. In case of failure by contractor to meet deliveries for any instalment/lot, purchaser may cancel the contract for defaulted quantity by forfeiting SD commensurate to that instalment/lot. Apart from claiming damages from vendors, in case of failure to comply with the contractual obligations, railways shall record poor performance of the vendors for taking suitable penal action as per extant instructions