(4)Notwithstanding anything contained in the second proviso to sub-section (2), where any ground on which the registration of a design may be cancelled under section 19 has been availed of as a ground of defence and sub-section (3) in any suit or other proceeding for relief under sub-section (2), the suit or such other proceeding shall be transferred by the court, in which the suit or such other proceeding is pending, to the High Court for decision.