A, alleging that he is the proprietor of a village, sues B, C and D for ejectment. The defence is that A is not the proprietor and that part of the village belongs to B, C and D, and the rest to X, Y and Z. The court finds that A is not the proprietor, and A's suit is dismissed. A then sues, X, Y and Z and also B, C and D for declaration that he is the proprietor of the village and for possession.

Ordinarily an amendment of pleading in a suit may be carried out by the contesting parties under Order VI Rule 17 of the Code of Civil Procedure 1908.The court may allow the amendment:
1. In case the changes carried out in the pleading do not change the relief claimed for.
2. At any stage of the suit.
3. Without imposing costs.
4. Of an application filed for interim relief.
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Under Order 8 Rule 6 Code of Civil Procedure set-off may be permitted if-

On rejection of a suit under Order VII, Rule 11 of Code of Civil Procedure, a fresh suit on the same cause of action under Order VII, Rule 13 of Code of Civil Procedure

Mesne profits as defined under section 2(12) Code of Civil Procedure means those profits which the person in wrongful possession of