"10. Rival contentions have been heard and record perused. We have also deliberated on the judicial pronouncements referred by AO and CIT(A) in his order as well as cited by ld. AR and DR during the course of hearing before us, in the context of factual matrix of the case. From the record we found that assessee used to pay custom duty on import of raw marbles blocks, which is based on its weight. The custom duty paid on these blocks include a component of CENVAT, which assessee is entitled to take a credit for set-off, M/s Classic Marble Co. Pvt. Ltd. under "inverted duty structure". The CIT(A) has categorically recorded a finding to the effect that excise duty paid on final product was less than the taxes paid on the raw materials, the assessee was always left with huge balances in CENVAT Credit Receivable Account. However, the AO has made addition on the assumption that input is equal to output through rate of Excise Duty on the opening stock/purchases of raw material should be equal to the rate of Excise Duty on value of consumption of raw materials/closing stock of raw materials. Since the duty paid by the assessee on raw materials is much more than the duty payable on final products, the hypothetical equation drawn by the AO was not applicable to the facts of the present case. The categorical finding has also been recorded by the CIT(A) to the effect that because of "inverted duty structure" huge balance has been accumulated in the CENVAT Credit Receivable Account, hence, the assessee's case is exception to the general rule. The CIT(A) is also dealt with the decision of the Tribunal in the case of Hawkins Cooker Ltd. and after calling the facts and figures of the assessee, came to the conclusion it that formula laid down in the case of Hawkins Cooker Ltd., is not applicable to the facts of this case. The CIT(A) also taken into consideration increase in case of opening stock on inclusion of excise duty on which MODVAT credit is available/availed and also increase in purchase of raw materials, increase in sales of finished goods on inclusion of excise duty.