Res judicata under Section 11 CPC applies to limited-jurisdiction decrees and binds privies on issues already decided.

Explanation VIII to Section 11 CPC extends res judicata to decisions of courts with limited pecuniary or special jurisdiction, so a matter directly and substantially in issue, once finally decided by such a competent court, cannot be reopened between the same parties or their privies. The provision is read with Section 11 to prevent multiplicity of proceedings and inconsistent findings. Where earlier injunction decrees had determined title and the extent of a life-estate, a later suit by a successor in title on the same issue was barred, and the challenge to the decrees' binding effect failed.

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Issues: Whether Explanation VIII to Section 11 of the Code of Civil Procedure extends res judicata to a decree passed by a court of limited pecuniary jurisdiction, and whether the earlier injunction decrees bound the appellant as a successor in title.

Analysis: Section 11 embodies the rule that an issue directly and substantially in issue, once finally decided by a competent court, cannot be reopened between the same parties or their privies. Explanation VIII was construed as enlarging this principle by bringing within its fold decisions of courts of limited or special jurisdiction, including courts whose jurisdiction is limited pecuniarily. The explanation was read harmoniously with the main provision so as to prevent multiplicity of proceedings and avoid conflicting decisions. The earlier injunction proceedings had directly determined the respondent's title and the extent of the life-estate, and the appellant claimed through a party to those proceedings. The later suit therefore involved the same issue already concluded, and the appellant was also hit by the doctrine of lis pendens.

Conclusion: The earlier decrees operated as res judicata against the appellant, and the challenge to their binding effect failed.

Ratio Decidendi: A decision on an issue directly and substantially in issue, rendered by a court of limited pecuniary or special jurisdiction, operates as res judicata in a later suit between the same parties or their privies, even if that earlier court could not have tried the later suit.

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