Reopening of surtax assessment valid where correct exchange rate was not disclosed, and reassessment could not reopen concluded issues.

Failure to disclose the correct exchange rate used to convert Ceylon income into Indian rupees amounted to non-disclosure of material facts, justifying reopening of the surtax assessment under the relevant reopening provisions. The understatement in the income-tax assessment also carried into the surtax computation of chargeable profits, so the reassessment jurisdiction was valid and the assessee's challenge failed. Reassessment proceedings were confined to escaped income and did not allow the assessee to reopen matters finally concluded in the original assessment, except where they had a direct nexus with the items brought to charge or with a newly introduced item. Concluded issues unrelated to the reassessed item could not be reagitated.

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Issues: (i) Whether reopening of the surtax assessment was justified under section 8(a) or section 8(b) of the Companies (Profits) Surtax Act, 1964. (ii) Whether, on reassessment, the assessee could reopen matters concluded in the original assessment.

Issue (i): Whether reopening of the surtax assessment was justified under section 8(a) or section 8(b) of the Companies (Profits) Surtax Act, 1964.

Analysis: The assessee had converted Ceylon income into Indian rupees at par value despite the devaluation of the Indian rupee, and the correct exchange rate was not disclosed in the return or accompanying statements. The omission of the correct conversion rate was a failure to disclose fully and truly all material facts necessary for assessment. Even apart from that, the later information as to the correct exchange rate supplied a basis for invoking the alternative reopening provision. The understatement of income in the income-tax assessment necessarily carried over into the surtax computation of chargeable profits.

Conclusion: Reopening was valid, and the assessee's challenge to jurisdiction failed.

Issue (ii): Whether, on reassessment, the assessee could reopen matters concluded in the original assessment.

Analysis: Reassessment proceedings are directed to escaped income and are not a general reopening of the entire assessment in favour of the assessee. Matters finally concluded in the original assessment cannot ordinarily be reagitated unless they have a direct nexus with the items brought to charge in reassessment or relate to a newly introduced item. The reopening is for the benefit of the Revenue, subject to limited adjustment where necessary to the reassessed item.

Conclusion: Concluded matters from the original assessment could not be reopened by the assessee in the reassessment.

Final Conclusion: The reference was answered against the assessee on both questions, upholding the reassessment and restricting the scope of relief in reassessment proceedings.

Ratio Decidendi: Failure to disclose a material fact affecting conversion of foreign income justifies reopening, and reassessment does not permit the assessee to reopen finally concluded issues unrelated to the escaped income brought to charge.

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