Case Note & Summary
The petitioners, M/s. Bombay Chemicals Limited and its Managing Director, held a Central Excise Registration for manufacturing 'Toys, Brand Mosquito Coils'. They claimed that the product was an insecticide classified under Tariff Item 68 and eligible for exemption under Notification No.55/75 dated 1.3.75 as amended by Notification No.62/78 up to 31.10.1982, and under Notification No.234/82 dated 1.11.82 from 1.11.1982 to 28.2.1986. The product was later classified under Chapter subheading No.3808.10 of the Central Excise Tariff Act, 1985, chargeable to nil rate up to 28.2.1994. The Assistant Collector allowed the exemption, but the Collector (Appeals) disallowed it. The petitioners challenged this before CEGAT, which by order dated 19.3.1990 held the product to be an insecticide. The Department appealed to the Supreme Court, but the appeal was dismissed on 28.2.1994. Consequently, the petitioners submitted 15 refund claims for different periods from 27.9.1979 to 28.2.1994. The respondents (Union of India and excise officers) opposed the refund on grounds of unjust enrichment, arguing that the duty burden was passed on to consumers. The court examined the evidence, including affidavits and balance sheets, and found that the petitioners had paid duty under protest and had not passed on the burden. The court held that the principle of unjust enrichment under Section 11B of the Central Excise Act, 1944 does not apply when duty is paid under protest and the burden is not passed on. The court also noted that the refund claims were within limitation as they were filed within six months from the Supreme Court's order. The court allowed the writ petition, directing the respondents to refund the amounts with interest.
Headnote
A) Central Excise - Refund of Duty - Unjust Enrichment - Section 11B of the Central Excise Act, 1944 - Refund claims for excise duty paid on mosquito coils classified as insecticides - Petitioners paid duty under protest and did not pass on the burden to consumers - Held that the principle of unjust enrichment does not apply when duty is paid under protest and the burden is not passed on, and refund cannot be denied on that ground (Paras 1-10). B) Central Excise - Classification - Insecticides - Mosquito Coils - Notification No.55/75 and Notification No.234/82 - Product held to be 'insecticide' by CEGAT and Supreme Court - Held that the product is exempt from excise duty, and refund claims for periods prior to the Supreme Court's dismissal of the Department's appeal are maintainable (Paras 1-2). C) Central Excise - Limitation - Refund Claims - Section 11B of the Central Excise Act, 1944 - Refund claims filed from 27.9.1979 to 28.2.1994 - Held that claims are within limitation as they were filed within six months from the date of the Supreme Court's order dated 28.2.1994, which finally decided the classification dispute (Paras 2-3).
Issue of Consideration
Whether the petitioners are entitled to refund of excise duty paid on mosquito coils classified as insecticides, and whether the defence of unjust enrichment applies when duty was paid under protest and the burden was not passed on to consumers.
Final Decision
The court allowed the writ petition, directing the respondents to refund the excise duty amounts paid by the petitioners for the periods in question, with interest as per law, and quashed the orders rejecting the refund claims.
Law Points
- Refund of excise duty
- unjust enrichment
- duty paid under protest
- burden of proof
- classification as insecticide
- exemption notification
- limitation period





