( 1 ) IN these two appeals, which arise out of proceedings for compensation of land acquired under the West Bengal Land Development and Planning Act, 1948 (hereinafter referred to as the Act), the principal question relates to the constitutional validity of the second paragraph of clause (b) of the proviso to Section 8 (1 ). as amended by the West Bengal Land Development and Planning (Amendment) Act, 1955 (hereinafter referred to as the Amending Act ).

( 2 ) CLAUSE (b) of the proviso to Section 8 of the Act as it stood before the amendment is as follows:"provided that in determining the amount of compensation to be awarded for land acquired in pursuance of this Act the market value referred to in clause first of Sub-section (1) of Section 23 of the said Act shall be deemed to be the market value of the land on the date of publication of the notification under Sub-section (1) of Section 4 for the notified area in which the land is included subject to the following condition, that is to say,--if such market value exceeds by any amount the market value of the land on the 31st day of December, 1946, on the assumption that the land had been at that date in the state in