Tax confidentiality provisions do not override civil court summons powers unless the statute clearly says so.

Section 138 of the Income-tax Act, 1961 regulates disclosure by tax authorities but does not curtail a civil court's independent power under the Code of Civil Procedure to summon assessment returns and statements for the post-1 April 1964 period, so production could be directed subject to any officer's privilege to object. An order made in estate duty proceedings is not an account, statement or document given, produced or obtained within section 80 of the Estate Duty Act's confidentiality scheme, so it is not protected from summons. The governing principle is that tax confidentiality provisions must be construed strictly and do not impliedly displace ordinary civil court procedure absent clear statutory language.

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Issues: (i) Whether, after the deletion of section 137 and the introduction of section 138 of the Income-tax Act, 1961, a civil court can issue summons to income-tax authorities for production of assessment returns and statements for the period after 1 April 1964. (ii) Whether an order passed in estate duty proceedings is protected by the confidentiality provisions incorporated through section 80 of the Estate Duty Act.

Issue (i): Whether, after the deletion of section 137 and the introduction of section 138 of the Income-tax Act, 1961, a civil court can issue summons to income-tax authorities for production of assessment returns and statements for the period after 1 April 1964.

Analysis: The earlier secrecy regime under section 54 of the Indian Income-tax Act, 1922 and section 137 of the Income-tax Act, 1961 was replaced by section 138. Section 138 only regulates disclosure of information by the tax authorities to specified authorities or persons and does not deal with the power of a civil court to summon documents or evidence. The civil court's power to issue summons under the Code of Civil Procedure is independent and is not curtailed either expressly or by necessary implication by section 138.

Conclusion: The civil court had jurisdiction to issue summons for production of income-tax documents relating to the period after 1 April 1964, subject to the officer's privilege, if any, to decline production.

Issue (ii): Whether an order passed in estate duty proceedings is protected by the confidentiality provisions incorporated through section 80 of the Estate Duty Act.

Analysis: Section 80 applies to accounts, statements, documents, evidence and affidavits given, produced or obtained in connection with estate duty proceedings by incorporating the confidentiality rule from section 54 of the Indian Income-tax Act, 1922. An assessment or adjudicatory order is the result of the quasi-judicial decision-making process and is not a document given, produced or obtained in the course of proceedings in the sense contemplated by section 80. Therefore, such an order does not fall within the protected category.

Conclusion: The estate duty order was not privileged and could be summoned.

Final Conclusion: The revision failed because neither the Income-tax Act provisions nor the Estate Duty Act barred the trial court from directing production of the relevant post-1964 income-tax material and the estate duty order.

Ratio Decidendi: A provision conferring confidentiality on tax information must be construed according to its express terms, and it does not impliedly take away the ordinary procedural power of a civil court to summon documents unless the statute clearly says so.

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