Computation under the Insurance Schedule: Schedule-exclusive computation governs insurance profits, barring alternative taxation and restricting valuation amendments.

Profits and gains of an insurance business must be computed exclusively under the Schedule to the Income-tax Act, so income arising from securities placed by a head office for a branch life fund falls within the Schedule's mode of computation and is not taxable under Section 12. The Department cannot amend a proper actuarial valuation by adding amounts representing a change from receipt to accrual accounting except as expressly permitted by rule 2(b); the attempted addition was impermissible. Rule 3(a) allows deduction of four-fifths of amounts paid to, reserved for, or expended on behalf of policy-holders when computing surplus, and that deduction operates whether the valuation discloses a surplus or a deficit.

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Issues: (i) Whether income arising from securities placed by the head office for meeting a branch deficit is taxable under Section 12 of the Income-tax Act; (ii) Whether the Income-tax Department could amend the actuarial valuation of 31st December 1944 by adding Rs. 74,511 representing interest credited on an accrual basis; (iii) Whether rule 3(a) of the Schedule permits deduction of amounts paid to, reserved for, or expended on behalf of policy-holders when the actuarial valuation discloses a deficit.

Issue (i): Whether income from the securities placed by the head office for the life fund is taxable under Section 12 of the Income-tax Act.

Analysis: The Court examined Section 10(7) which makes profits and gains of any business of insurance subject to computation in accordance with the Schedule to the Act. The income in question arose as a profit or gain from the business of insurance and therefore falls within the Schedule's exclusive mode of computation. Section 12 cannot be applied to such income where the taxpayer is being assessed on its insurance business under the Schedule.

Conclusion: The income is not taxable under Section 12. Conclusion in favour of the assessee.

Issue (ii): Whether the Department could increase the surplus disclosed by the actuarial valuation of 31st December 1944 by adding Rs. 74,511 arising from a change from receipt to accrual accounting.

Analysis: The Court considered rule 2(b) of the Schedule which governs permissible additions and deductions in arriving at the surplus. Although the change in accounting resulted in a potential tax advantage, the actuarial valuation as made was correct on the receipt basis and may only be altered in the manner permitted by rule 2(b). The attempted correction by the Department did not fall within rule 2(b)'s specified adjustments.

Conclusion: The Department was not entitled in law to amend the actuarial valuation by adding Rs. 74,511. Conclusion in favour of the assessee.

Issue (iii): Whether rule 3(a) of the Schedule allows deduction of amounts paid to, reserved for, or expended on behalf of policy-holders when the valuation discloses a deficit.

Analysis: Rule 3(a) prescribes that four-fifths of such amounts shall be allowed as a deduction in computing the surplus for the purposes of rule 2. The Court held that the phrase "computing the surplus" refers to the mode of computation and does not require that the result be a surplus before the deduction can operate. If the computation yields a deficit, the permissible deduction under rule 3(a) operates to increase that deficit; if it yields a surplus, it reduces the surplus.

Conclusion: Rule 3(a) permits the deduction in question even where the valuation discloses a deficit. Conclusion in favour of the assessee.

Final Conclusion: The Schedule to the Income-tax Act exclusively governs the computation of profits and gains of an insurance business; the Income-tax Department cannot tax such insurance-derived income under Section 12, cannot amend a proper actuarial valuation except as permitted by rule 2(b), and must allow deductions under rule 3(a) whether the valuation shows a surplus or a deficit.

Ratio Decidendi: Profits and gains of an insurance business are to be computed only under the Schedule to the Income-tax Act, and adjustments to or deductions from an actuarial valuation are permissible only in the manner and to the extent expressly provided by the Schedule's rules.

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