Exemption from special excise duty granted under rule 8 and section 47 for the specified March period. Exemption from special duty of excise was granted by notification invoking sub rule (1) of rule 8 of the Central Excise Rules, 1944 read with sub section (4) of section 47 of the Finance Act, 1985, exempting goods under the Central Excise Tariff Act from the whole of the special excise duty for the specified March period.