Use of land acquired under this Act

Land acquired under,— (a) section 31 and not required for the purpose for which it was acquired, shall revert back to the original owner thereof after recovering its cost from him. The cost so recovered shall be paid back to the beneficiaries from whom compensation for such land was originally recovered under sub-section (2) of section 31; and (b) any other provision of this Act for any purpose other than that mentioned in section 31, shall be used only for irrigation works.