i face a big problem during my course of an internal audit of a company.service tax was paid late and accordingly interest is to be calculated..my point is on what amount intrest is to be calculated... i mean whether we should deduct service tax credit from from service tax collected and then calculate interest????... they had calculated interest on gross amount of service tax payable without taking cenvat credit... accordingly to me they paid interest extra.. plz advice... you are requested to plz give complete refrence of sec/ circular/ notification no./ rule or any relevant decided case with ur answer... thanx..