(2)Within three months from the date on which a private company becomes a public company by virtue of this section, the company shall inform the Registrar that it has become a public company as aforesaid, and thereupon the Registrar shall delete the word "Private" before the word "Limited" in the name of the company upon the register and shall also make the necessary alterations in the certificate of incorporation issued to the company and in its memorandum of association.