Excise duty exemption: specified prepared food mixes relieved from whole excise duty for a limited period. The Central Government, under sub rule (1) of rule 8 of the Central Excise Rules, 1944, exempts idli mix, dosa mix, jalebi mix and gulab jamun mix classified under the Central Excise Tariff from the whole of the excise duty specified in the Tariff schedule, the exemption being time limited by the notification.