MAHAMA AND ANOTHER v. MOSHIE Practice and procedure—Solicitor—Change of solicitor—Notice of—No notice filed by defendant or his new solicitor as to change of solicitor in compliance with Order 7, r. 2 of L.N. 140A.—Whether former solicitor of defendant to be considered solicitor till final conclusion of cause or matter—Whether entry of judgment entered by new solicitor on behalf of defendant valid.