Case Note & Summary
The dispute arose between a manufacturer of dry batteries and the Collector of Customs regarding the classification of imported electrolytic manganese dioxide for customs duty purposes. The appellant claimed that the imported item should be classified under heading 25.01/32 of the Customs Tariff Act, 1975, which would not incur countervailing duty. However, the revenue authority contended that the item fell under heading 28.01/58, which would attract additional duties. The Assistant Collector initially found that the imported goods were excluded from heading 25.01/32, a decision later revised by the Collector (Appeals) but ultimately confirmed by the Tribunal. The Tribunal noted that only certain grades of manganese dioxide are suitable for battery use and that the appellant's product, being of high purity, should be classified under heading 28.01/58. The court was tasked with determining the correct classification of the goods based on their state and the processes used for purification. The court concluded that the manganese dioxide imported was not in its crude form but was purified through electrolysis, thus falling under heading 28.01/58. The court emphasized that the purification process used was chemical rather than mechanical, which further justified the classification. Ultimately, the court dismissed the appeals, affirming the Tribunal's decision regarding the classification and the applicability of countervailing duty.
Headnote
A) Customs Law - Classification of Goods - Customs Duty Classification - Customs Tariff Act, 1975, Item Nos. 25.01/32 and 28.01/58 - The court held that the imported manganese dioxide, being in a purified form through electrolysis, does not fall under heading 25.01/32 but under heading 28.01/58, which includes chemical products. The distinction between crude and purified forms, along with the processes used for purification, was critical in determining the applicable customs duty (Paras 1-4).
Issue of Consideration
Under which heading of the Customs Tariff Act, 1975 should the imported goods be classified for the purposes of customs duty?
Final Decision
The Supreme Court dismissed the appeals, confirming that the imported manganese dioxide was correctly classified under heading 28.01/58 due to its purified state and the processes used for purification.
Law Points
- Customs duty classification
- electrolytic manganese dioxide
- Customs Tariff Act
- 1975
- countervailing duty
- purification processes


