as well as exempted services. Further, vide letter dated 21.03.2012, a spot memo for reversal of common cenvat credit availed by the appellant, which the appellant received and reversed the cenvat credit on common input services in the year 2010-11, 2011-12 &2012-13 of Rs.28,37,981/-. It is his submission that the appellant further reversed the cenvat credit on transaction charges for the year 2013-14 of Rs.5,56,575/- and the same was intimated separately on 25.05.2015. He also submits that these facts have been recorded by the adjudicating authority in the impugned order, but the adjudicating authority held that the appellant has availed cenvat credit on input services for providing taxable services as well as exempted services. Therefore, in terms of Rule 6 (3) of the Cenvat Credit Rules, 2004, they are liable to pay 5%/6% of the value of the exempted goods if the separate accounts is not maintained. It is his submission that as the proportionate cenvat credit has already been reversed by the appellant, the same shall be deemed as the appellant has not availed cenvat credit on exempted services. In that circumstances, no demand is sustainable against the appellant on account of non-maintenance of separate account in terms of Rule 6 (3) of the Cenvat Credit Rule, 2004. He further submits that as the CERA audit was conducted and the discrepancy has been pointed out, the first show-cause notice was not required to be issued by extending period of limitation, accordingly, the same is not sustainable. 4. On the other hand, the ld.A.R. for the Revenue supported the impugned order and submitted that it is an admitted fact that the appellant was availing cenvat credit on common input services for