Excise exemptions for specified goods: retail-priced packaged chewing product, candles, certain ceramics and medical and manual machinery relieved. Amendment to Central Excise notifications inserts and substitutes table entries to grant nil-duty treatment for specified goods: packaged scented supari differentiated by retail sale price bands with an explanatory definition of 'retail sale price'; candles; all goods under a specified ceramic heading; manually operated rubber roller machines and copra dryers; and coronary stents and stent systems for use with cardiac catheters, through Notification No.25/2006-Central Excise amending Notifications 3/2006, 4/2006, 5/2006 and 6/2006.