(6)Notwithstanding anything contained in sub-section (1), the first auditor of a company, other than a Government company, shall be appointed by the Board of Directors within thirty days from the date of registration of the company and in the case of failure of the Board to appoint such auditor, it shall inform the members of the company, who shall within ninety days at an extraordinary general meeting appoint such auditor and such auditor shall hold office till the conclusion of the first annual general meeting.