Coking coal exemption cannot be denied by later CSN criteria or Corex use when contemporaneous evidence supports coking character.

An exemption for coking coal under Customs Notification No. 21/2002-Customs could not be restricted by a later technical definition or end-use criterion not contained in the notification during the relevant period. Weakly coking, soft coking, semi-soft coking and Corex coal remained within the recognised category of coking coal where trade descriptions, laboratory reports and internal records supported that character. A later CSN-based explanation introduced in 2011 could not be applied retrospectively to imports made earlier, and inconsistent departmental test results were insufficient to displace the assessee's evidence. On that basis, the duty demand on the 21 Bills of Entry was not sustainable, with consequential effect on confiscation and penalties.

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Issues: (i) Whether the imported coal described as weakly coking, soft coking, semi-soft coking or Corex coal was coking coal eligible for exemption under Notification No. 21/2002-Customs dated 01.03.2002. (ii) Whether the duty demand confirmed in respect of 21 Bills of Entry could be sustained on the basis of the later CSN criterion and the test reports relied upon by Revenue.

Issue (i): Whether the imported coal described as weakly coking, soft coking, semi-soft coking or Corex coal was coking coal eligible for exemption under Notification No. 21/2002-Customs dated 01.03.2002.

Analysis: The exemption notification, as it stood during the material period, did not prescribe an end-use condition and did not define coking coal by the later technical parameters introduced in 2011. The evidence showed that the coal imported for Corex use had weak coking properties and, in the majority of laboratory reports, CSN values of 1 or above. The Tribunal accepted that weakly coking coal is a recognised species of coking coal in trade and technical literature, and that use in Corex technology did not convert it into non-coking coal. The records, supplier descriptions, internal documents and chemical test results did not justify treating the imports as thermal or steam coal.

Conclusion: The coal imported by the assessee was held to be coking coal and was entitled to the customs exemption.

Issue (ii): Whether the duty demand confirmed in respect of 21 Bills of Entry could be sustained on the basis of the later CSN criterion and the test reports relied upon by Revenue.

Analysis: The later explanation introduced by Notification No. 77/2011-Customs dated 17.08.2011 could not be applied retrospectively to imports made between December 2006 and March 2011. The Tribunal also found that the samples and laboratory results relied upon by Revenue were not enough to displace the assessee's material, especially where the assessee's own records and the bulk of the departmental test reports indicated weakly coking coal. In the absence of a valid retrospective criterion and in view of the evidentiary inconsistencies, the confirmed demand on the 21 Bills of Entry could not stand.

Conclusion: The duty demand on the 21 Bills of Entry was not sustainable.

Final Conclusion: The impugned order was set aside to the extent it confirmed duty, and the related confiscation and penalties also fell. The Revenue appeal failed, while the assessee obtained consequential relief.

Ratio Decidendi: Where an exemption notification uses the term coking coal without an end-use restriction or contemporaneous technical definition, weakly coking coal supported by laboratory and trade evidence cannot be excluded merely because it is used in Corex technology, and a later technical definition cannot be applied retrospectively to deny exemption.

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