e) that the invention so far as claimed in any claim of the complete specification is obvious and clearly does not involve any inventive step,having regard to the matter published as mentioned in cl.(b) or having regard to what was used in India before the priority date of the claim; (h) that the patentee has failed to disclose to the Controller the information required by S.8 or has furnished the information which in any material particular was false to his knowledge; (i) that in the case of a patent granted on convention application,the application for patent was not made within twelve months from the date of the first application for protection for the invention made in a convention country or in India by the patentee or a person from whom he derives title; (j) that the complete specification does not disclose or wrongly mentions the source and geographical origin of biological material used for the invention; (k) that the invention so far as claimed in any claim of the complete specification was anticipated