Section 6(9) in Tamil Nadu Motor Vehicles (Regulation and Control of School Buses) Special Rules, 2012
(9)Floor Board. - In every School Bus, the floor boards shall be so fitted as to exclude as far as possible draughts and dust. If any part of the floor board caves in or weakens, no patch work shall be done. Instead, the entire length and breadth of that stretch of the floor board shall be replaced by the new floor board.
