Show-cause notices must remain prima facie and fair; quantified liability in the notice can invalidate consequential proceedings.

A show-cause notice under Central Excise law must keep an open mind, confine itself to prima facie allegations, and give the noticee a meaningful opportunity to answer with relied-upon documents. If the notice itself quantifies duty and records findings as though clandestine removal or misuse of exemption were already proved, it crosses into adjudication and offends fairness. The text also notes that where a revised sales tax assessment and later revision notices are founded on such an infirm excise notice, and service is effected by affixture without exhausting prescribed modes, the consequential proceedings are vulnerable. The stated consequence is that defective foundation notices and derivative assessment or revision actions cannot stand.

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Issues: (i) Whether the show-cause notice under the Central Excise law was vitiated because it quantified duty and recorded findings in a manner that prejudged the issue and denied effective opportunity, and (ii) whether the revised sales tax assessment and subsequent revision notices, being consequential to the excise notice and service process, could stand.

Issue (i): Whether the show-cause notice under the Central Excise law was vitiated because it quantified duty and recorded findings in a manner that prejudged the issue and denied effective opportunity.

Analysis: The notice was founded on a long investigation and could, at the prima facie stage, set out the material gathered and call for an explanation. However, a show-cause notice must keep an open mind and remain confined to putting the allegations and material to the noticee for answer. Where the notice itself goes beyond prima facie allegations and quantifies the duty liability on the footing that clandestine removal and misuse of exemption are already established, it crosses into adjudication. The Court held that the assessee must be furnished relied-upon documents and afforded a meaningful opportunity, and that statements collected in investigation may support issuance of notice but cannot be used to foreclose adjudication. By quantifying the alleged evasion and asserting concluded findings, the notice prejudged the matter and offended fairness in the adjudicatory process.

Conclusion: The show-cause notice was invalid to the extent it prejudged liability and quantified duty as if adjudication had already been completed, and the challenge succeeded.

Issue (ii): Whether the revised sales tax assessment and subsequent revision notices, being consequential to the excise notice and service process, could stand.

Analysis: The revised assessment order under the sales tax law was passed on the basis of the impugned excise notice, and the subsequent notices for later assessment years proceeded on the same footing. The Court also found serious infirmity in the service procedure relied upon for the revision, since affixture is only a last resort after the other modes prescribed by the Rules are exhausted. Once the foundation notice in the excise proceedings was held unsustainable in the impugned form, the consequential assessment and revision proceedings could not be sustained either. The delay and manner of service further weakened the validity of the impugned orders and notices.

Conclusion: The revised assessment order and the later revision notices were unsustainable and were set aside.

Final Conclusion: The writ petitions were allowed, the excise show-cause notice and the consequential sales tax proceedings were quashed, and the authorities were left free to proceed afresh in accordance with law after curing the defects noted by the Court.

Ratio Decidendi: A show-cause notice cannot itself determine liability and quantify demand in a manner that forecloses adjudication or violates the requirement of an open and fair hearing; consequential proceedings founded on such an infirm notice cannot survive.

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