Exemption from Additional Duty extended to the blowing (steam pressing) process on woven acrylic fibre fabrics. An exemption from Additional Duty is added for the process of blowing (steam pressing) when performed on woven fabrics of acrylic fibre by inserting a new Sl. No. 7 and its entry into the Table of Notification No. 297/79-C.E., pursuant to powers under the Central Excises and Salt Act, 1944 and the Additional Duties of Excise Act, 1957.