Position of md apt - pvt co became subsidiary of public co

Holding Company hereafter A Pvt. Ltd.

Subsidiary Company hereafter B Pvt. Ltd.

Events in chronological order:

1. B Pvt. Ltd. becomes wholly owned subsidiary of A Pvt. Ltd. on 10^th November, 2010.

2. B Pvt. Ltd. appointed Managing Director in its Board Meeting held on 15^th May, 2011 with a   Remuneration of Rs. 1.50 Lacs per month and filed Form no. 23 and 32.

3. A Pvt. Ltd. is converted from private limited to Public Limited by passing necessary resolution(s) and after complying with the other provisions the certificate for change of name is issued by RoC on 2^nd July, 2011.

4. Consequent to the change of Status of A Ltd., B Pvt. Ltd becomes public company by operation of Section 3 (iv) of Companies  Act, 1956.

In the light of above events my queries are:

• Whether B. Pvt. Ltd. Need to change its name and its Articles of Association?

• As the provisions of sections 198, 269, 309 become applicable, Whether B Pvt. Ltd. has to re-appoint Managing Director and file Form no. 23, 25C and 32?"
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