Where an issue cannot properly or conveniently be dealt with under section 33Q or 33R, the Court may:
(a) if the issue concerns only the claim of a particular member--give directions relating to the commencement and conduct of a separate proceeding by that member; or
(b) if the issue is common to the claims of all members of a sub - group--give directions relating to the commencement and conduct of a representative proceeding in relation to the claims of those members.