https://www.scconline.com/blog/post/2020/12/24/cestat-whether-a-by-product-from-a-factory-be-considered-as-manufactured-goods-and-should-it-fall-under-excisable-goods-or-exempted-goods-as-provided-in-r-2d-o/
CESTAT | Whether a by-product from a factory be considered as manufactured goods and should it fall under ‘excisable goods’ or ‘exempted goods’ as provided in R. 2(d) of Cenvat Credit Rules, 2004; Tribunal answers while dismissing appeal