Conversion of public company to private: advertisement invites objections to be filed with Regional Director within prescribed period. Conversion under section 14 requires a statutory advertisement notifying the company's intention and special resolution, addressed to the Regional Director. The notice must invite objections from persons whose interests may be affected, require objections to be filed with the Regional Director within the prescribed period and supported by an affidavit stating the nature of interest and grounds of opposition, and require a copy of the objection to be sent to the applicant company at its registered office. The advertisement is to be signed by a director with DIN and include the registered office address, date and place.