In these Rules, unless there is anything repugnant in the subject or context,-

(IVB) 'Developer/Builder' means a person/contractor who is engaged in and undertakes the construction of civil structures, flats, dwelling units, building, premises, complexes, commercial or otherwise, whether wholly or partly (either himself or through an authorized person) for sale and transfers them in pursuance of an agreement along with land or interest underlying the land to a buyer, where the value of land or interest underlying the land is included in the total consideration received or receivable.