Excise duty on sewing thread yarn arises at the single ply stage, with suppression supporting extended limitation and Section 11AC penalty.

In manufacture of sewing thread from cotton yarn, duty was held payable at the single ply yarn stage, because doubling and waxing were treated as part of the sewing thread manufacturing process and did not defer excise liability to the later stage. Non-accountal of captively consumed yarn in statutory records and returns supported a finding of wilful suppression, so the extended period of limitation was invocable. Penalty under Section 11AC was sustained, subject to re-quantification after recomputing duty and interest on the correct duty stage, but the separate penalty under Rule 25 was set aside.

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Issues: (i) Whether duty on yarn used for manufacture of sewing thread was payable at the stage of single ply yarn or at a later stage after doubling and waxing; (ii) Whether the extended period of limitation was invocable for non-accountal of yarn used captively for sewing thread; (iii) Whether the penalties under Section 11AC and Rule 25 were sustainable.

Issue (i): Whether duty on yarn used for manufacture of sewing thread was payable at the stage of single ply yarn or at a later stage after doubling and waxing.

Analysis: The manufacturing process showed that single yarn was later doubled, waxed and converted into sewing thread. The tariff scheme distinguished cotton yarn from cotton sewing thread, and the special definition of sewing thread contemplated multiple or cabled yarn put up on supports, dressed for use as sewing thread and having a fine Z twist. The processes of doubling and waxing were part of the manufacture of sewing thread and did not shift the duty liability from the yarn stage to the later stage. The stage at which excise duty became payable remained the single ply yarn stage.

Conclusion: Duty was payable at the stage of clearance of single ply yarn and not at the later waxed double yarn stage; this issue was decided in favour of the assessee.

Issue (ii): Whether the extended period of limitation was invocable for non-accountal of yarn used captively for sewing thread.

Analysis: The assessee had not accounted for the yarn used in captive manufacture of sewing thread in the prescribed production and clearance records, nor had it made full disclosure of such clearances in the returns. The Department was not shown to have been informed of the non-duty-paid clearances for captive use. These facts supported wilful suppression of relevant facts for limitation purposes.

Conclusion: The extended period of limitation was rightly invocable; this issue was decided against the assessee.

Issue (iii): Whether the penalties under Section 11AC and Rule 25 were sustainable.

Analysis: Since wilful suppression was found, penalty under Section 11AC remained attracted, though it had to be reworked along with the duty and interest in light of the duty-stage finding. A separate penalty under Rule 25 was not justified on the facts and circumstances.

Conclusion: Penalty under Section 11AC was sustained subject to re-quantification, while the penalty under Rule 25 was set aside; this issue was partly in favour of the assessee.

Final Conclusion: The decision settled the duty liability at the single ply stage, upheld invocation of the extended limitation period, and left only the Rule 25 penalty unsustainable while requiring recomputation of duty, interest and Section 11AC penalty.

Ratio Decidendi: In the manufacture of sewing thread from cotton yarn, the duty on the yarn is attracted at the single ply yarn stage, while later processes of doubling and waxing form part of the manufacture of sewing thread; however, non-accountal of captively consumed yarn can justify the extended period and penalty for suppression.

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