Excise exemption for plastic strips intended for woven sacks: duty capped at a fixed per kilogram rate above scheduled duty. The Central Government exempts strips of plastics intended for weaving of fabrics or sacks, falling under the referenced tariff heading, from so much of the central excise duty as exceeds the amount calculated at the rate of Rs. 10 per kilogram, pursuant to sub rule (1) of rule 8 of the Central Excise Rules, 1944.