2. In this Regulation, unless there is anything repugnant in the subject or context,-
(a) “Deputy Commissioner” means the Deputy Commissioner of the Chittagong Hill-tracts and includes any officer specially appointed by the 1[Government] to perform all or any of the functions of the Deputy Commissioner under this Regulation;
(b) “land” includes benefits to arise out of land, and things attached to the earth or permanently fastened to anything attached to the earth;
(c) “Person interested” includes all persons claiming an interest in the compensation to be paid on account of the acquisition of and under this Regulation.