Section 40B(1) in Tamil Nadu District Municipalities Act, 1920
(1)The councillors constituting three-fifth of the sanctioned strength of the council may, by written notice, presented by any two of them, to the Regional Director of Municipal Administration, (hereinafter in this section referred to as Regional Director) with a copy to the chairman, express their intention to make a motion against the chairman that the chairman willfully omits or refuses to carry out or disobeys any provision of this Act, or any rule, by-law, regulation, or lawful order made or issued under this Act or abuses any power vested in him. The Regional Director shall on receipt of such notice, convene a special meeting for the consideration of the motion and record the views of the council, at the office of the municipality at a date appointed by the Regional Director. The motion shall be deemed to have been passed by the council if four-fifth of sanctioned strength of the council present and voting, is in favour of it; and if it is not passed by four-fifth of the sanctioned strength of the council present and voting, it shall be treated as dropped.