(4)Where a sub-purchaser takes an actual conveyance of the interest of the person immediately selling to him, which is chargeable with advalorem duty in respect of the consideration paid by him and is duly stamped accordingly, any conveyance to be afterwards made to him of the same property by the original seller shall be chargeable with a duty equal to that which would be chargeable on a conveyance for the consideration obtained by such original seller, or, where such duty would exceed ten rupees, with a duty of ten rupees.E. Duty by whom payable
