Revenue neutrality requires factual proof; voluntary pre-notice debit does not bar extended limitation or penalty for duty evasion.

Revenue neutrality is not a presumed defence to alleged duty evasion and must be proved on the facts; an alternative duty-free or credit-based scheme, by itself, does not negate suppression or intention to evade duty. A voluntary pre-notice debit of differential duty does not wipe out the earlier short payment or bar a show cause notice under Section 11A(1), and suppression supported invocation of the extended period where free components were omitted from assessable value. Once those statutory ingredients were satisfied, penalty under Section 11AC was also sustainable despite the later debit.

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Issues: (i) Whether the plea of revenue neutrality, based on an alternate duty-free or credit-based scheme, negates intention to evade duty; (ii) whether the show cause notice and demand were sustainable despite voluntary pre-notice debit of differential duty; and (iii) whether penalty under Section 11AC was attracted.

Issue (i): Whether the plea of revenue neutrality, based on an alternate duty-free or credit-based scheme, negates intention to evade duty.

Analysis: Revenue neutrality is a question of fact to be established on the facts of each case. It cannot be accepted merely by asserting the availability of an alternate scheme. Where the assessee has chosen one course and the scheme so opted for is found to have been misused, the existence of another possible course is not a sufficient defence. In the Modvat context, the relevant credit must be credit available to the assessee himself and not merely credit available to the buyer of the goods. On the facts, the assessee was already availing Modvat credit and there was no factual basis to sustain the plea of duty-free clearance under the exemption notification.

Conclusion: The plea of revenue neutrality failed and the assessee's contention was rejected.

Issue (ii): Whether the show cause notice and demand were sustainable despite voluntary pre-notice debit of differential duty.

Analysis: Section 11A(1) is attracted once non-levy, short levy, non-payment, or short payment occurs on the relevant date. Subsequent voluntary debit before issuance of notice does not erase the earlier short payment or prevent issuance of notice. The record also supported suppression of facts, because the assessee declared that no extra consideration was received while free components had admittedly been supplied and not included in assessable value. The differential duty amount was substantial and supported an inference of intention to evade duty, justifying invocation of the extended period.

Conclusion: The show cause notice, demand, and invocation of the extended period were upheld.

Issue (iii): Whether penalty under Section 11AC was attracted.

Analysis: The ingredients for penalty under Section 11AC were treated as pari materia with those for the proviso to Section 11A(1). Since suppression of facts and intention to evade duty were established for purposes of the extended period, there was no legal infirmity in imposing penalty. The assessee's voluntary debit did not extinguish liability to penalty once the statutory ingredients were satisfied.

Conclusion: Penalty under Section 11AC was justified and sustained.

Final Conclusion: The reference was answered against the assessee, holding that revenue neutrality must be established on the facts, that an alternate scheme is not by itself a defence to suppression or evasion, and that both extended limitation and penalty were sustainable on the facts found.

Ratio Decidendi: Revenue neutrality is not a presumed defence to duty evasion; it must be proved on the facts, and where suppression of facts and intention to evade duty are established, the extended limitation and penalty provisions apply notwithstanding a later voluntary debit or the existence of another available scheme.

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