Excise double-benefit allegations fail where exemption and duty-credit mechanisms are mutually distinct, justifying writ interference at notice stage.

A show cause notice alleging simultaneous benefit of two excise notifications and adjustment of duty under Rule 57A was found unsustainable on the admitted facts. The disputed goods were either treated as a finished wagon or, if regarded as captive inputs, fell within an exemption distinct from the duty-credit mechanism; no adjustment under Rule 57A was shown to have been claimed or available. The allegation of double benefit therefore lacked a prima facie basis, and writ interference was permissible at the notice stage because no factual trial was required and the notice disclosed no substance.

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Issues: (i) Whether the show cause notice disclosing alleged simultaneous benefit of two excise notifications and adjustment of duty under Rule 57A made out any prima facie case for demand and penalty. (ii) Whether the High Court could interfere in writ jurisdiction at the stage of the show cause notice.

Issue (i): Whether the show cause notice disclosing alleged simultaneous benefit of two excise notifications and adjustment of duty under Rule 57A made out any prima facie case for demand and penalty.

Analysis: The disputed goods were treated as either one finished wagon or, if the stabled wagon was regarded as a separate product, as inputs captively used in the manufacture of the final wagon. Notification No. 217/86-C.E. granted exemption to captive inputs used in manufacture of final products not wholly exempt or nil-rated, while Notification No. 452/86-C.E. prescribed a concessional duty on specified final products but denied input credit where Rule 56A or Rule 57A had been availed of. On the admitted facts, no duty was paid on the alleged input and no adjustment under Rule 57A was claimed or available; the field of Rule 8(1) exemption was distinct from the adjustment mechanism under Rule 57A. The allegation of taking double benefit was therefore unsustainable on the face of the notice.

Conclusion: The notice did not disclose a prima facie case and the challenge to it was rightly upheld in favour of the assessee.

Issue (ii): Whether the High Court could interfere in writ jurisdiction at the stage of the show cause notice.

Analysis: Where a notice on its face lacks substance and would subject a person to unnecessary proceedings, the Court need not defer interference merely because the matter arises from a show cause notice. Since no disputed facts required trial and the controversy turned on a pure question of law, writ intervention was permissible.

Conclusion: The writ petition was maintainable and interference at the notice stage was justified.

Final Conclusion: The appeal failed, and the quashing of the show cause notice was sustained because the alleged duplication of exemption and credit mechanism was not legally made out.

Ratio Decidendi: Where the admitted facts show that the alleged input is either exempt under one notification or, if treated as a separate product, still outside the reach of the duty-credit mechanism, a show cause notice alleging simultaneous enjoyment of mutually exclusive excise benefits cannot survive and may be quashed in writ jurisdiction.

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