Diversification-based sales tax exemption and limits on assessment enhancement were applied to set aside the Tribunal's order.

Diversification-based sales tax exemption under the Orissa Sales Tax framework extended to the additional finished products covered by the scheme; the expression "over and above" was construed as referring to the extra production from diversification, not the original installed capacity, so the exemption was allowed. The Tribunal could not enhance the assessment or remand the matter for fresh levy in the absence of a Revenue appeal or cross-objection, and any proposed enhancement required prior notice to the assessee; that part of the order was set aside.

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Issues: (i) Whether the assessee was entitled to exemption from sales tax on finished products manufactured under the diversification scheme. (ii) Whether the Tribunal could enhance the assessment and remand the matter for fresh levy in the absence of an appeal or cross-objection by the Revenue.

Issue (i): Whether the assessee was entitled to exemption from sales tax on finished products manufactured under the diversification scheme.

Analysis: The exemption scheme under the Orissa Sales Tax framework was intended to extend to increased commercial production in the case of eligible industrial units undertaking diversification. The clarification issued by the industrial authorities, read with the exemption notification, showed that the relevant expression "over and above" qualified the additional volume of finished products, not the original installed capacity. Diversification was treated as distinct from expansion or modernization, and the benefit could not be denied merely because the unit continued manufacturing only under the diversified line.

Conclusion: The assessee was entitled to exemption on the finished products manufactured under the diversification scheme, and the disallowance of exemption was set aside.

Issue (ii): Whether the Tribunal could enhance the assessment and remand the matter for fresh levy in the absence of an appeal or cross-objection by the Revenue.

Analysis: The power to enhance assessment under the Orissa Sales Tax Rules and the OST Act was held to be exercisable only in the context of an appeal or cross-objection by the Revenue. In the absence of such a challenge, the Tribunal had no jurisdiction to direct enhancement or to remand the matter for fresh levy of tax and surcharge. The assessee was also entitled to the procedural safeguard of notice before any proposed enhancement.

Conclusion: The Tribunal lacked jurisdiction to enhance the assessment or remand the matter for that purpose, and that part of the order was set aside.

Final Conclusion: The revision succeeded in part, with relief granted on both the exemption issue and the jurisdictional challenge to enhancement, resulting in modification of the Tribunal's order and the connected assessment orders.

Ratio Decidendi: A diversification-based sales tax exemption must be construed to cover the additional production contemplated by the scheme, and assessment enhancement cannot be made by the appellate authority or Tribunal without a Revenue appeal or cross-objection and without compliance with the notice requirement.

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