A sues B to recover one of two properties left by C, on the ground that he and not B is his heir. Thereafter, he applies to amend his plaint for including the second property left out in the plaint as originally field. B opposes the application for amendment which is disallowed by the court. A suit by A against B to recover the second property as heir of C would be barred under rule 2:

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.
Select the correct answer:

Under Order 8 Rule 6 Code of Civil Procedure set-off may be permitted if-

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