Retrospective penalty and interest under excise law cannot be imposed before commencement; private waiver cannot defeat statutory defence.

Penal and interest provisions creating substantive liability cannot be applied retrospectively to alleged clandestine removals that occurred before their commencement; accordingly, liability under Section 11AC and interest under Section 11AB was treated as unsustainable for the earlier period. Penalty under Rule 173Q also required a finding linking the present management to the alleged illegal activity, and without such a finding the penalty basis failed. A private letter purporting to waive the right to contest could not extinguish the assessee's statutory right to dispute the demand.

---

---

Issues: (i) Whether penalty under Section 11AC of the Central Excise Act, 1944 and interest under Section 11AB of the Central Excise Act, 1944 could be levied for a period prior to their commencement; (ii) whether penalty could be sustained under Rule 173Q of the Central Excise Rules in the absence of any finding regarding the responsibility of the present management; (iii) whether a letter purporting to waive the right to contest the case could deprive the assessee of its statutory right to dispute the demand.

Issue (i): Whether penalty under Section 11AC of the Central Excise Act, 1944 and interest under Section 11AB of the Central Excise Act, 1944 could be levied for a period prior to their commencement.

Analysis: The liability to penalty and interest arose from alleged clandestine removals during February 1995 to April 1996, whereas Sections 11AC and 11AB came into force only later. These provisions were treated as substantive in character and not merely procedural. Section 11AB was also read as indicating that interest recovery would not apply to duty evaded for a prior period.

Conclusion: The levy of penalty under Section 11AC and interest under Section 11AB was held not sustainable for the pre-commencement period and was set aside in favour of the assessee.

Issue (ii): Whether penalty could be sustained under Rule 173Q of the Central Excise Rules in the absence of any finding regarding the responsibility of the present management.

Analysis: The adjudicating authority had not examined the contention that the private records related to the previous management and that the present management was not concerned with the alleged illegal activity. In the absence of any such finding, the basis for imposing penalty under Rule 173Q was lacking.

Conclusion: Penalty under Rule 173Q was not made out and could not be sustained.

Issue (iii): Whether a letter purporting to waive the right to contest the case could deprive the assessee of its statutory right to dispute the demand.

Analysis: A statutory right of an assessee cannot be taken away by a private letter or assurance. The letter relied upon by the Revenue therefore did not bar the assessee from contesting the proceedings.

Conclusion: The waiver letter had no legal effect against the assessee.

Final Conclusion: The impugned order was set aside and the appeal was allowed with consequential relief.

Ratio Decidendi: Penal and interest provisions creating substantive liability cannot be applied to pre-commencement conduct unless the statute clearly so provides, and a private waiver cannot extinguish a statutory right of defence.

---