Any ground of defence which has arisen after the institution of the suit or the presentation of a written statement claiming a set-off [or counter-claim] [Inserted by the Code of Civil Procedure (Amendment) Act, 1976, Section 72 (w.e.f. 1.2.1977).] may be raised by the defendant or plaintiff as the case may be, in his written statement.

Any ground of defence which has arisen after the institution of the suit or the presentation of a written statement claiming a set-off [or counter-claim] [Inserted by the Code of Civil Procedure (Amendment) Act, 1976, Section 72 (w.e.f. 1.2.1977).] may be raised by the defendant or plaintiff as the case may be, in his written statement.