Procedure in contentious cases.

In any case before the District Judge in which there is contention, the proceedings shall take, as nearly as may be, the form of a suit according to the provisions of 1[the Code of Civil Procedure, 1908 (5 of 1908)], in which the petitioner for probate or letters of administration, as the case may be, shall be the plaintiff, and the person who may have appeared as aforesaid to oppose the grant shall be the defendant.