Excise duty exemption for specified First Schedule goods produced and cleared from a designated plant, subject to a time-limited period. Exempts goods within the First Schedule to the Central Excise Tariff Act, 1985, manufactured and cleared from M/s Brahmaputra Cracker and Polymer Limited, Lepetkata, Assam, from the whole of the excise duty leviable thereon under sub-section (1) of section 5A of the Central Excise Act, 1944; the exemption is time-bound and shall be in force for a period not exceeding ten years from commencement of commercial production.