Before finding out the differences between Managing Director, Manager and Whole time director , let us go through their definitions as per the Companies Act, 2013. DEFINITION OF MANAGING DIRECTOR As per section 2(54) of the Companies Act, 2013 “Managing director” means a director who, by virtue of the articles of a company or an agreement with the company or a resolution passed in its general meeting, or by its Board of Directors, is entrusted with substantial powers of management of the affairs of the company and includes a director occupying the position of managing director, by whatever name called. Explanation :- For the purposes of this clause, the power to do administrative acts of a routine nature when so authorised by the Board such as the power to affix the common seal of the company to any document or to draw and endorse any cheque on the account of the company in any bank or to draw and endorse any negotiable instrument or to sign any certificate of share or to d...