Res judicata and declaratory decrees: prior legal declarations cannot sustain possession claims when later law makes them inconsistent.

Earlier declaratory decrees based on a legal interpretation later found inconsistent with the prevailing law do not, by themselves, operate as res judicata in a subsequent possession suit. The text states that res judicata is procedural and does not bind later proceedings where the earlier decision concerned a pure question of law affecting jurisdiction, or where the decree is not lawful under the law then applicable. It also notes that the enlarged absolute ownership under Section 14(1) of the Hindu Succession Act, 1956 displaced the limited estate claimed earlier, so a declaratory decree simplicitor could not sustain possession when its legal foundation conflicted with the prevailing position.

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Issues: Whether earlier declaratory decrees, obtained on an interpretation of law later found inconsistent with the prevailing legal position, could operate as res judicata and support a subsequent suit for possession.

Analysis: The decisive question was whether a decree which is contrary to the law declared by the Court, or which sanctions a claim inconsistent with the legal position applicable when the later suit is decided, can be treated as binding in a subsequent proceeding. The principle of res judicata is procedural and does not apply where the earlier decision relates to a pure question of law affecting jurisdiction or where the decree relied upon is not a lawful decree in the eyes of the existing law. The enlarged absolute ownership flowing from Section 14(1) of the Hindu Succession Act, 1956 meant that the limited estate earlier claimed could not sustain a suit for possession merely on the strength of declaratory decrees obtained earlier. A declaratory decree simplicitor does not, by itself, confer title for all future purposes when the foundation of that declaration is contrary to law.

Conclusion: The earlier declaratory decrees did not operate as res judicata so as to entitle the appellant to recover possession, and the suit based on those decrees was not maintainable.

Ratio Decidendi: Res judicata does not bar a subsequent challenge to an earlier declaration where the prior decision is contrary to the law applicable at the time of the later proceeding or is otherwise without jurisdiction, and a declaratory decree cannot by itself sustain a claim for possession when it does not accord with the prevailing law.

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