Central excise duty rates and exemptions revised, reclassifying goods and adding conditional exemption for mega power project supplies. Revises Notification No. 6/2006 by altering proviso applicability dates and substituting multiple Table entries to change descriptions and duty rates for specified goods, including electrically operated vehicles and their components, computer and water filter components, LED fixtures, quilted textile products and others; inserts new serials with duty treatments; omits certain entries; and adds Condition 28 in the Annexure creating a conditional exemption for goods supplied to tariff bid-backed mega power projects contingent on customs duty exemption, ministerial certification and manufacturer undertakings, plus additions to List 6 for specified polyester resins and gel coat materials.