(1)Any article which is imported into India shall, in addition, be liable to a duty (hereafter in this section referred to as the additional duty) equal to the excise duty for the time being leviable on a like article if produced or manufactured in India and if such excise duty on a like article is leviable at any percentage of its value, the additional duty to which the imported article shall be so liable shall be calculated at that percentage, of the value of the imported article.Explanation.-In this section, the expression "the excise duty for the time being leviable on a like article if produced or manufactured in India" means the excise duty for the time being in force which would be leviable on a like article if produced or manufactured in India or, if a like article is not so produced or manufactured, which would be leviable on the class or description of articles to which the imported article belongs, and where such duty is leviable at different rates, the highest duty.
