Certainly. Based on the provided legal document, the key points are as follows:

1. A counter-claim must be directed against the plaintiff in the suit; a counter-claim solely against co-defendants is not maintainable. The purpose of a counter-claim is to resolve issues between the plaintiff and defendant, not to introduce independent claims against co-defendants (!) (!) .

2. The procedural rules specify that counter-claims can be filed as part of the written statement, by way of amendment, or as a subsequent pleading, but they must adhere to specific legal requirements. Filing a counter-claim after the evidence is closed or issues are settled, especially without proper pleadings, is not permissible (!) (!) .

3. The attempt by defendants to amend their written statement after the closure of evidence to include a claim of title based on long and uninterrupted possession was not recognized as a valid counter-claim under the applicable rules. Such amendments do not automatically convert into a counter-claim unless they meet the legal criteria (!) .

4. The trial court and appellate courts erred in entertaining a counter-claim against co-defendants after the issues had been framed and evidence concluded. The procedural irregularities, including allowing amendments and payments of court fees without proper pleadings, rendered the counter-claim invalid (!) (!) (!) .

5. The courts failed to give proper opportunity to all parties to respond to the counter-claim, especially those who were not originally parties to the counter-claim, and did not ensure compliance with the procedural requirements. This resulted in an unsustainable decree based on procedural irregularities (!) (!) .

6. The final dismissal of the plaintiff’s suit was lawful, as the suit was found to be not maintainable due to procedural deficiencies, including lack of proper notice and failure to establish possession or rights. The counter-claim, being invalid, could not alter this outcome (!) (!) .

7. The courts' actions in remanding the case for further trial based on an invalid counter-claim were improper. Since the suit had already been dismissed and the dismissal was final, there was no legal basis for a fresh trial or for treating the amendments as a valid counter-claim (!) (!) .

8. The procedural irregularities and the improper handling of the counter-claim led to an erroneous judgment. The appropriate course was to uphold the finality of the original dismissal and to reject the counter-claim as not legally sustainable (!) (!) .

9. The appeals by the defendants against the final judgment were dismissed, and the original decree dismissing the suit was upheld, emphasizing that no valid counter-claim was established under the applicable legal rules (!) .

Please let me know if you need further analysis or specific legal advice related to this case.