Section 25(2)(c) in Bihar Lift Irrigation Rules, 1978
(c)Be presented or sent by post so as to reach the officer specified in clause (2) within thirty days of the date on which the Parcha was received by the Lambardar, or in case of service of Parcha through any other agency within thirty days of the receipt of Parcha, provided that the Divisional Lift Irrigation Officer or the Lift Irrigation Deputy Collector or Revenue Officer may extend this period if he is satisfied that there are reasonable grounds for doing so.