Turnover tax computation under the general definition of turnover allowed deduction of sales tax element, while section 9A survived challenge.

For turnover tax under section 4AAA of the West Bengal Sales Tax Act, 1954, the general definition of "turnover" in section 2(e) was treated as continuing to apply, subject to the specific deductions in section 4AAA(2); on that interpretation, the sales tax element was deductible from sale price and its omission did not justify a reassessment notice under section 9A(2)(b). The commentary also notes that section 9A was not regarded as ultra vires, because the deemed assessment and reopening machinery provided hearing safeguards and the penalty provision was not meant to operate mechanically for a bona fide legal dispute.

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Issues: (i) Whether, for the purpose of turnover tax under section 4AAA of the West Bengal Sales Tax Act, 1954, the definition of "turnover" in section 2(e) applies so as to permit deduction of the sales tax element from sale price. (ii) Whether section 9A of the West Bengal Sales Tax Act, 1954 is ultra vires as arbitrary and unreasonable.

Issue (i): Whether, for the purpose of turnover tax under section 4AAA of the West Bengal Sales Tax Act, 1954, the definition of "turnover" in section 2(e) applies so as to permit deduction of the sales tax element from sale price.

Analysis: Section 2(e) defines turnover as aggregate sale prices after specified deductions, including the amount arrived at by the formula in section 4(1a) and any amount separately charged as turnover tax. Section 4AAA levies turnover tax on the gross turnover of a dealer and prescribes only the deductions enumerated in sub-section (2). The majority held that the non obstante clause in section 4AAA(1) overrides section 2(e) only to the extent necessary to determine liability to turnover tax, but does not exclude the general definition of turnover for the computation of gross turnover. The phrase "gross turnover" was treated as the total turnover before the deductions in section 4AAA(2), not as a new definition displacing section 2(e). The majority also relied on the legislative history showing that the Act consistently kept tax components outside taxable turnover.

Conclusion: The sales tax element was deductible, and its exclusion from the return did not amount to an incorrect statement of turnover; the notice based on section 9A(2)(b) was therefore unwarranted.

Issue (ii): Whether section 9A of the West Bengal Sales Tax Act, 1954 is ultra vires as arbitrary and unreasonable.

Analysis: The majority held that the deemed assessment scheme under section 9A(1) caused no prejudice to the dealer at that stage, and section 9A(2) expressly provided a reasonable opportunity of hearing before reopening. The existence of a machinery provision was therefore sufficient. On the challenge to sub-section (3), the majority considered the plea alternative to the main contention and noted that penalty provisions are not mechanically attracted where the alleged breach is technical or founded on a bona fide interpretation of law.

Conclusion: Section 9A was not struck down as ultra vires.

Final Conclusion: The majority held that the turnover tax computation had to follow the statutory definition of turnover, resulting in relief to the dealer against the reassessment notice, while the constitutional challenge to section 9A was not accepted.

Ratio Decidendi: Where a taxing statute contains a general definition clause and a later special charging provision with its own limited deductions, the definition continues to apply unless the special provision clearly and necessarily excludes it; a reassessment notice based on an erroneous view of taxable turnover is unsustainable when the return is correct on the statutory interpretation adopted.

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