Paragraph 77
The office of director shall be vacated, if the director—
ceases to be a director by virtue of section seventy-three of the . Companies (Consolidation) Act, 1908 ; or
holds any other office of profit under the company except that of managing director or manager ; or
becomes bankrupt; or
is found lunatic or becomes of unsound mind ; or
is concerned or participates in the profits of any contract with the company :
Provided, however, that no director shall vacate his office by reason of his being a member of any company which has entered into contracts with or done any work for the company of which he is director : but a director shall not vote in respect of any such contract or work, and if he does so vote his vote shall not be counted.