Co-extensive appellate power under trade tax law permits enhancement of tax liability beyond the appeal's original grounds.

The first appellate authority under the U.P. Trade Tax Act was held to have co-extensive appellate power with the assessing authority, including the power to confirm, reduce, enhance or annul an assessment or penalty. Because that power was not confined to the exact grounds raised by the dealer, the authority could enhance the tax liability while deciding the appeal. On that footing, the Tribunal's order was unsustainable and the revision succeeded, with the second appeal before the Tribunal standing dismissed.

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Issues: Whether the first appellate authority under the U.P. Trade Tax Act had power to enhance the tax liability and travel beyond the subject-matter of the appeal.

Analysis: The controversy was held to be covered by earlier authority recognising that the appellate authority has power to confirm, reduce, enhance or annul the assessment order, penalty or both. The power of the first appellate authority was treated as co-extensive and wider than that of the assessing authority, and therefore it was competent to enhance the tax amount while disposing of the appeal.

Conclusion: The first appellate authority had jurisdiction to enhance the tax liability and was not confined to the subject-matter raised in the appeal.

Final Conclusion: The Tribunal's order was unsustainable, and the revision succeeded with the second appeal before the Tribunal standing dismissed.

Ratio Decidendi: The first appellate authority under the trade tax law has co-extensive appellate power, including the power to enhance tax liability, and is not restricted to the precise subject-matter of the dealer's appeal.

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