Section 87B(1) in The Code of Civil Procedure, 1908
(1)In the case of any suit by or against the Ruler of any former Indian State which is based wholly or in part upon a cause of action which arose before the commencement of the Constitution or any proceeding arising out of such suit, the provisions of section 85 and sub-sections (1) and (3) of section 86 shall apply in relation to such Ruler as they apply in relation to the Ruler of a foreign State.]