Customs amendment removes specified tariff entries from a prior exemption notification, altering applicable table entries. Notification No.138/2003 amends Notification No.21/2002-Customs by directing that, against specified serial numbers in the Table, the entries in columns (2) to (6) shall be omitted, thereby removing those exemption entries; the amendment is made under the statutory authority of the Customs Act and references prior publication and amendment history.