Sub section (1) of s.11 reads: "11(1) Where any vacant land is deemed to have been acquired by any State Government under sub section (3) 940 of section 10, such State Government shall pay to the person or persons having any interest therein, (a) in a case where there is any income from such vacant land, an amount equal to eight and one third times the net average annual income actually derived from such land during the period of five consecutive years immediately preceding the date of publication of the notification issued under sub section (1) of section 10; or (b) in a case where no income is derived from such vacant land, an amount calculated at a rate not exceeding (i) ten rupees per square metre in the case of vacant land situated in an urban agglomeration falling within category, A or category B specified in Schedule 1; and (ii) five rupees per square metre in the case of vacant land situated in an urban agglomeration falling within category C or category D specified in that schedule." In order that the burden of compensation, that is, the amount payable under Art.31(2) for taking over vacant land in excess of the ceiling limit in sub section