Section 69. In section 135 of the principal Act, after sub-section (2), the following sub-section shall be inserted, namely:

69. In section 135 of the principal Act, after sub-section (2), the following sub-section shall be inserted, namely:— "(3) In case of an application filed under the Patent Cooperation Treaty designating India and claiming priority from a previously filed application in India, the provisions of sub-sections (1) and (2) shall apply as if the previously filed application were the basic application: Provided that a request for examination under section 11B shall be made only for one of the applications filed in India." Amendment of section 135.