Section 113(2) in The Bihar Motor Vehicles Rules, 1992
(2)The holder of any permit in respect of a service of stage carriages shall within twelve hours of the occurrence, report in writing to the Transport Authority by which the permit was issued, any failure of, or damage to, any vehicle used by him under the authority of the permit of such a nature as to prevent the holder from complying with any of the provisions or conditions of the permit for a period exceeding twenty-four hours.