(4)Where any building is set back in pursuance of any requisition made under sub section (1), the Municipality shall forthwith make full compensation to the owner for any direct damage which be may sustain thereby.Explanation. - The expression "direct damage' as used in sub-section(4) with reference to lands means the market value of the land acquired and the depreciation, if any, in the ordinary market value of rest of the land resulting from the area being reduced in size; but does not include damage due to the prospective loss of any particular use to which the owner may allege that he intended to put the land, although such use may be injuriously affected by the reduction of the site.