Customs exemption amendment adds new tariff entry for dyes, optical grade polycarbonate and unrecorded CD-Rs. Amendment inserts S. No. 168 into List A of Notification No. 25/1999-Cus, adding the entry listing goods described as 'Dyes; Optical grade polycarbonate; Jewel box CD-R (unrecorded CD)' under the notification, effected by Notification No. 108/2002-Customs under powers conferred by the Customs Act.