Ca as a director

Yes, CA in practice can become director, but not MD or WTD.

Yes, CA in practice can become Director Simplicitor. He cannot accept any remuneration except siting fees for attending board meetings. He cannot perform any day to day duties towards company.

I don't think it is mandatory but informing ICAI is recommended. I took approval from ICAI as I was not aware of the regulations.

On page 3 read clause (11)