Companies Act, 1956
Sec 175 - Chairman of meeting.
(1) Unless the articles of the company otherwise provide, the members personally present at the meeting shall elect one of themselves to be the chairman thereof on a show of hands.
(2) If a poll is demanded on the election of the chairman, it shall be taken forthwith in accordance with the provisions of this Act, the chairman elected on a show of hands exercising all the powers of the chairman under the said provisions.
(3) If some other person is elected chairman as a result of the poll, he shall be chairman for the rest of the meeting.