In Regulation 17, in sub-regulation (1), -1.in clause (a), the following proviso and explanation shall be inserted-“Provided that the Board of directors of the top 500 listed entities shall have at least one independent woman director by April 1, 2019 and the Board of directors of the top 1000 listed entities shall have at least one independent woman director by April 1, 2020; Explanation: The top 500 and 1000 entities shall be determined on the basis of market capitalization, as at the end of the immediate previous financial year.”