Under Section 64(2) of the Patents Act, 1970, where the patent is for a process or a product made by a…

Section 64(2)(b) provides that importation into India of the product made abroad by the process "shall constitute knowledge or use in India of the invention on the date of the importation, except where such importation has been for the purpose of reasonable trial or experiment only". Such import can therefore defeat novelty or inventive step.