Excise duty exemption for mechanised clay bricks (excluding fire-clay) removes leviable duty under Central Excise Rules. Exemption of excise duty applies to clay bricks manufactured in mechanised brick plants, other than fire clay bricks, falling within Chapter 69 of the Central Excise Tariff Act, 1985; under sub rule (1) of rule 8 of the Central Excise Rules, 1944 the whole of the excise duty leviable on those goods as specified in the Schedule is removed.