Section 22(1)(b) in The Bihar irrigation Act, 1997
(b)that it is desirable for the purpose of settling or averting dispute or preventing waste of water or injury to land by the wrongful or undue diversion of a stream or channel or any sluice, weir, outlet, escape, headwork dam or other work should be constructed in any private irrigation work, in order to regulate the supply or distribution of water for agriculture purpose.