Section 8(4)(a) in The Bihar Maintenance of Public Order Act, 1949
(a)Any person aggrieved by the imposition of the fine under sub-section (1) or by the order of apportionment under sub-section (3) may, within the period prescribed by the State Government, file a petition before the District Magistrate for being exempted from such fine or for modification of the order of apportionment: