For section 143 of the principal Act, the following section shall substituted, namely:-
"143. Restrictions upon publication of specification.-- Subject to the provisions of Chapter VII, an application for a patent, and any specification filed in pursuance thereof, shall not, except with the consent of the applicant, be published by the Controller before the expiration of the period prescribed under sub-section (1) of section 11A or before the same is open to public inspection in pursuance of sub-section (3) of section 11A or section 43.".