Amendment to central excise notification substitutes the named refinery in the preamble, altering the referenced beneficiary. The notification effects a substitution in the preamble of Central Excise Notification No. 29/2002: it replaces '(b) Bongaigaon Refineries and Petrochemicals Limited, or' with '(b) Indian Oil Corporation Ltd., Bongaigaon Refinery, or', thereby changing the named refinery entity to which the preamble reference applies; the amendment is issued as Notification No. 5/2009 Central Excise dated 27 April 2009 and cites the principal notification and earlier amendment for reference.