Res judicata barred reopening of a concluded valuation dispute where the Revenue relied on the same facts and no fresh material emerged

A tax demand based on the assessable value of goods cleared through consignment agents was treated as unsustainable because the same valuation basis, agreements and factual matrix had already been examined in earlier proceedings. The Tribunal noted that the Revenue had no fresh investigation or new material and was attempting to re-agitate an issue already concluded on the existing record. On that reasoning, the later show cause notice was treated as barred by limitation and by res judicata, and the duty demand and penalties were not sustained.

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Issues: Whether the demand of duty and penalties were sustainable when the valuation dispute had already been decided in the assessee's favour in earlier proceedings and the Revenue sought to reopen the same issue in the subsequent notice.

Analysis: The dispute concerned the assessable value of goods cleared through consignment agents in different regions. The Tribunal noted that the same valuation basis, the same agreements, and the same factual matrix had already been examined in prior proceedings, where the assessee's appeal had been allowed and the Revenue's challenge had been dismissed. It further noted that no fresh investigation or new material justified issuance of the later show cause notice, and that the Revenue was attempting to re-agitate an issue already concluded on the existing record. On that basis, the Tribunal held that the subsequent proceedings were barred both by limitation and by the principle of res judicata.

Conclusion: The demand of duty and the penalties could not be sustained, and the appeals were allowed in favour of the assessee.

Final Conclusion: The impugned order was set aside because the valuation controversy had already attained finality in earlier proceedings and the later notice sought impermissibly to reopen the same matter.

Ratio Decidendi: A tax demand cannot be sustained where the very issue has already been finally decided on the same facts and the Revenue seeks to reopen it without fresh material or a legally distinct basis.

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