No process of execution to he issued three years after date of judgment.

    No process of execution of any description whatsoever shall be issued, on a judgment under this Act, after the lapse of three years from the date of such judgment, unless the judgment be for a sum exceeding five hundred rupees, in which case the period within which execution may be had shall be regulated by the general rules in force in respect to the period allowed for the execution of decrees of the Civil Courts.