13 February 2013
SAD, is Special Additional Duty on imported goods and equivalent to VAT on goods in India. You can get refund of SAD on sale of good
Additional customs duty :- equal to central excise duty leviable on like goods produced or manufactured in India. Additional duty is commonly referred to as Countervailing duty or C.V.D. It is payable only if the imported article is such as, if produced in India, its process of production would amount to 'manufacture' as per the definition in Central Excise Act,1944. Exemption from excise duty has the effect of exempting additional duty of customs.