Binding ratio and rectifiable mistake: incidental observations do not govern, and overruled law can justify correction under estate duty rules

In estate duty commentary, a later incidental remark in a Supreme Court decision was treated as a casual observation because it was not necessary to the final determination of includibility of insurance proceeds, and therefore did not form the binding ratio decidendi or true obiter dicta. The text also explains that a Tribunal order based on a High Court view later reversed by the Supreme Court can disclose a mistake apparent from the record and be rectifiable under section 61 of the Estate Duty Act. On that basis, the nominee's insurance amount was treated as not includible in the deceased's estate and not liable to estate duty.

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Issues: (i) Whether the second sentence in the penultimate paragraph at page 791 of the Supreme Court decision constituted the ratio decidendi, obiter dicta, or only a casual observation; (ii) Whether the Tribunal's earlier order suffered from a legal mistake apparent from the record and was rectifiable under section 61 of the Estate Duty Act.

Issue (i): Whether the second sentence in the penultimate paragraph at page 791 of the Supreme Court decision constituted the ratio decidendi, obiter dicta, or only a casual observation.

Analysis: The Supreme Court had already answered the substantive question on includibility of the insurance proceeds in favour of the accountable person. The later remark on the departmental appeal was made in the course of disposing of the remaining appeal and was not necessary for the final determination of the issue that had been conclusively decided. It was therefore not part of the binding ratio and did not amount to a true obiter dicta.

Conclusion: The sentence was only a casual observation and not the ratio decidendi or an obiter dicta.

Issue (ii): Whether the Tribunal's earlier order suffered from a legal mistake apparent from the record and was rectifiable under section 61 of the Estate Duty Act.

Analysis: The Tribunal had decided the matter by following the then-existing Madras High Court view. That view was later reversed by the Supreme Court, which declared the correct legal position. Once the governing law was settled by the Supreme Court, the Tribunal's order based on the overruled High Court decision stood in conflict with the law declared by the apex court and disclosed an apparent legal mistake capable of rectification.

Conclusion: The Tribunal's order suffered from a rectifiable mistake apparent from the record under section 61 of the Estate Duty Act.

Final Conclusion: The insurance amount received by the nominee was not includible in the deceased's estate and was not liable to estate duty, so the miscellaneous application succeeded.

Ratio Decidendi: A later incidental observation not necessary to the decision does not form part of the binding ratio, and an order based on a legal position subsequently declared incorrect by the Supreme Court can disclose a rectifiable mistake apparent from the record.

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