Excisable component classification depends on separate identity before removal, and no duty arose for assemblies embedded in appliances.

Impeller-propeller assemblies fitted within air-conditioners and water coolers were not treated as electric blowers or fans under item 33(3) because they never emerged as separately identifiable excisable goods before incorporation into the finished appliances. As only the completed air-conditioners and water coolers were removed, there was no removal of a blower or fan within Rules 9 and 49 of the Central Excise Rules, 1944, and no duty attached on that basis. The respondents were also entitled to rely on the Tariff Advice, as promissory estoppel applied on the facts found.

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Issues: (i) Whether the impugned impeller-propeller assemblies, when fitted inside air-conditioners and water coolers, amounted to electric blowers or fans chargeable under item 33(3) of the Central Excise Tariff; (ii) Whether, on the facts, there was any removal of electric blowers or fans so as to attract liability under Rules 9 and 49 of the Central Excise Rules, 1944; (iii) Whether the respondents were entitled to rely on the Tariff Advice on the basis of promissory estoppel.

Issue (i): Whether the impugned impeller-propeller assemblies, when fitted inside air-conditioners and water coolers, amounted to electric blowers or fans chargeable under item 33(3) of the Central Excise Tariff.

Analysis: The assemblies admittedly functioned as electric blowers when combined with the motor inside the finished appliances. However, they did not come into existence as identifiable blowers or fans before being fitted into the air-conditioners or water coolers. The goods cleared from the respondents were the appliances themselves, which retained their own distinct commercial identity.

Conclusion: The assemblies were not chargeable as electric blowers or fans under item 33(3) as such.

Issue (ii): Whether, on the facts, there was any removal of electric blowers or fans so as to attract liability under Rules 9 and 49 of the Central Excise Rules, 1944.

Analysis: Liability under the excise rules required removal of the excisable article as such. Since the blower or fan never emerged outside the air-conditioner or water cooler in a separately identifiable form, there was no removal of a blower or fan. What was removed were only air-conditioners and water coolers, on which duty had already been paid.

Conclusion: There was no removal of electric blowers or fans within the meaning of Rules 9 and 49.

Issue (iii): Whether the respondents were entitled to rely on the Tariff Advice on the basis of promissory estoppel.

Analysis: The Tariff Advice indicated that where parts had assumed the shape of a blower or fan in an identifiable manner before use in the appliance, classification under item 33(3) would follow. The respondents acted on that administrative guidance, and the departmental case did not displace that position on the facts found.

Conclusion: The respondents were entitled to the benefit of promissory estoppel.

Final Conclusion: The appeal failed because no excisable blower or fan was found to have been manufactured and removed as such, and the respondents' reliance on the Board's guidance was upheld.

Ratio Decidendi: Excise duty on a component can arise only when the component comes into existence as an identifiable excisable commodity before removal; if it emerges only within the finished appliance and is not removed separately, liability under the tariff and removal provisions does not attach.

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