(2)In any proceedings under this Chapter in respect of any immovable property,-(a)where the fair market value of such property exceeds the apparent consideration therefor by more than twenty-five per cent. of such apparent consideration, it shall be conclusive proof that the consideration for such transfer as agreed to between the parties has not been truly stated in the instrument of transfer;(b)where the property has been transferred for an apparent consideration which is less than its fair market value, it shall be presumed, unless the contrary is proved, that the consideration for such transfer as agreed to between the parties has not been truly stated in the instrument of transfer with such object as is referred to in clause (a) or clause (b) of sub-section (1).
