Section 113(1) in The Bihar Motor Vehicles Rules, 1992
(1)The holder of any stage carriage permit in respect of a particular vehicle by reference to the registration mark shall, within seven days of the occurrence, report in writing to the Transport Authority by which the permit was issued, any failure of, or damage to such vehicle or to any part thereof, of such a nature as to render the vehicle unfit for use in accordance with the conditions of the permit for a period exceeding three days.