Assessable value includes manufacturing overhead service charges, but extended limitation fails once departmental knowledge exists.

Service charges for storage, handling, security, manpower support, materials management and furnishing work were treated as manufacturing overheads and held includible in the assessable value of housing and freight containers, so the duty demand on that basis was upheld. For the later period after August 1996, the extended limitation could not be sustained once the Department had knowledge of the relevant facts, and the demand for that period was set aside. Interest and mandatory penalty were reduced accordingly, with interest and penalty under the excise provisions excluded for the set-aside period, while the separate penalty for the earlier period was sustained.

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Issues: (i) Whether the service charges received by the assessee from its principal were includible in the assessable value of the housing containers and freight containers; (ii) Whether the demand for duty was barred by limitation in respect of the period after August 1996; (iii) Whether interest and penalty were sustainable in full.

Issue (i): Whether the service charges received by the assessee from its principal were includible in the assessable value of the housing containers and freight containers.

Analysis: The services for which the fixed monthly charges were received were directed to storage, handling, security, manpower support, materials management, and furnishing work, all of which facilitated manufacture and clearance of the goods. Such expenditure was treated as part of the overheads necessary for the manufacturing activity and therefore relevant to the assessable value.

Conclusion: The service charges were includible in the assessable value, and the duty demand on that basis was upheld against the assessee.

Issue (ii): Whether the demand for duty was barred by limitation in respect of the period after August 1996.

Analysis: The claim of bona fide belief was rejected because no satisfactory basis for non-inclusion of the charges was established. At the same time, once the Department had knowledge of the relevant facts by August 1996, suppression could not continue thereafter. The extended period could not, therefore, be sustained for the later period.

Conclusion: The demand for the period subsequent to August 1996 was set aside, while the demand for the earlier period was sustained.

Issue (iii): Whether interest and penalty were sustainable in full.

Analysis: Interest and mandatory penalty were linked to the portion of demand that survived. Since the demand for the later period was set aside, the consequential liability under the relevant provisions also fell to that extent. The separate penalty for the earlier period remained justified.

Conclusion: Interest and penalty under Sections 11AB and 11AC were set aside for the period after August 1996, while the penalty of Rs. 50,000 under the Central Excise Rules was sustained for the earlier period.

Final Conclusion: The assessee obtained partial relief only for the period after August 1996, but the substantive valuation dispute and the earlier-period penalty were decided against it.

Ratio Decidendi: Charges paid for services that facilitate manufacture and constitute manufacturing overheads are includible in assessable value, but once the Department has knowledge of the relevant facts, suppression cannot be invoked for the subsequent period to sustain extended limitation and consequential liability.

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