Section 42. In section 59 of the principal Act, for sub-section (2), the following sub-section shall be substituted, namely:

42. In section 59 of the principal Act, for sub-section (2), the following sub-section shall be substituted, namely:— "(2) Where after the date of grant of patent any amendment of the specification or any other documents related thereto is allowed by the Controller or by the Appellate Board or the High Court, as the case may be,— (a) the amendment shall for all purposes be deemed to form part of the specification along with other documents related thereto; (b) the fact that the specification or any other documents related thereto has been amended shall be published as expeditiously as possible; and Amendment of section 57. Substitution of new section for section 58. Amendment of specification before Appellate Board or High Court. Amendment of section 59. 622 [ACT 15 (c) the right of the applicant or patentee to make amendment shall not be called in question except on the ground of fraud.".