Service by post presumption and burden on assessee to rebut delivery evidence led to dismissal; investigation into GST registration urged.

Presumption of service by post was applied where the appellants registered address in service tax/GST records matched the address to which the order was sent, establishing proof of delivery under the General Clauses Act; the burden rested on the appellant to rebut that presumption by valid evidence, which was not done, and the appeal was dismissed. The doctrine against taking advantage of ones own mistake was invoked where inconsistent affidavits and the continued principal place of business on GST records suggested either misleading statements or possible fraudulent registration, directing that departmental investigation into the registrations genuineness is warranted.

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Issues: (i) Whether the Order-in-Original dated 28.09.2021 was duly served on the appellant under Section 37C of the Central Excise Act, 1944 (and related presumptions under Section 27 of the General Clauses Act and Section 144 of the Evidence Act); (ii) Whether the appeal before the Commissioner (Appeals) was barred by limitation and not capable of condonation beyond the statutory period.

Issue (i): Whether the Order-in-Original dispatched to the appellant's recorded/registered address constituted valid service under Section 37C and related statutory presumptions.

Analysis: The Tribunal and the Appellate Authority found dispatch to the appellant's registered principal place of business as per departmental/GST/service-tax records. Relevant provisions and authorities (Section 37C, Section 27 General Clauses Act, Section 144 Evidence Act) establish a legal presumption that a document properly addressed and dispatched by post is deemed served unless rebutted. The appellant's contemporaneous records (GST/ST registration, challans, appeal memo, notices) continued to show the same registered business address to which the order was sent; the appellant's change of address was communicated much later. The appellant did not produce cogent evidence to rebut the statutory presumption of service or to show that the envelope lacked the correct address or was not delivered.

Conclusion: The Court concluded that the Order-in-Original was duly served on the appellant by dispatch to the registered principal place of business and the presumption of service stood unrebutted; service is thereby held valid in favour of the Revenue.

Issue (ii): Whether the appeal was time-barred and not amenable to condonation beyond the period permitted by statute.

Analysis: The statutory scheme provides a fixed period for filing appeals and a limited period for condonation by the appellate authority. The proviso to the applicable provision limits condonation to a further 30 days beyond the normal period; Section 5 of the Limitation Act cannot be invoked to extend this statutory limit. The appellant filed the appeal beyond the period which could be condoned by the Commissioner (Appeals) and did not establish sufficient cause to warrant discretionary relief outside the statutory cap. Precedents and statutory interpretation cited support exclusion of broader condonation and emphasize strict application of the limitation framework.

Conclusion: The Court held that the appeal before the Commissioner (Appeals) was time-barred and not liable to be condoned beyond the statutory limit; this conclusion favours the Revenue.

Final Conclusion: The Tribunal's finding of valid service and the statutory bar to condonation of delay result in dismissal of the appellant's appeal; the Revenue's position is upheld and the appeal is dismissed.

Ratio Decidendi: Dispatch of an order to the appellant's recorded/registered principal place of business by the prescribed mode gives rise to a statutory presumption of service (Section 37C read with Section 27); the recipient bears the burden of adducing cogent evidence to rebut that presumption, and condonation of delay is strictly limited to the statutory period specified and cannot be extended by general limitation provisions.

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