https://www.taxtmi.com/caselaws?id=42029 The tariff scheme treated pig iron, iron castings and other crude forms of iron as a single commodity before 1-8-1983, while separate iron or steel products fell under a different entry. On that construction, converting old iron scrap and pig iron into iron castings did not amount to a fresh dutiable event where the raw material had already suffered excise duty. The exemption notification did not require detailed examination once the tariff entries were read in favour of the assessee. Accordingly, no excise duty was payable on the iron castings manufactured before 1-8-1983, and no L4 licence was required for that period. en-us Wed, 21 Oct 1987 00:00:00 +0530 Tue, 08 Jun 2010 16:47:55 +0530 TaxTMI RSS Generator https://www.taxtmi.com/caselaws?id=42029 The tariff scheme treated pig iron, iron castings and other crude forms of iron as a single commodity before 1-8-1983, while separate iron or steel products fell under a different entry. On that construction, converting old iron scrap and pig iron into iron castings did not amount to a fresh dutiable event where the raw material had already suffered excise duty. The exemption notification did not require detailed examination once the tariff entries were read in favour of the assessee. Accordingly, no excise duty was payable on the iron castings manufactured before 1-8-1983, and no L4 licence was required for that period. Case-Laws Central Excise Wed, 21 Oct 1987 00:00:00 +0530 https://www.taxtmi.com/caselaws?id=42029