Section 12A(1)(b) in The Assam Consolidation of Holdings Act, 1960
(b)if in any area for which a scheme is under preparation, any land is reserved for any public purpose including extension of village sites, or if the land so reserved is considered inadequate ; to asign any other land for such purpose and to effect a proportionate reduction of the area of all holdings of the village/villages for the benefit of which such reservation has been made.