The Comptroller and Auditor General (CAG) audit of KG-DWN-98/3, popularly known as KG D6, has once again hit a roadblock. The Mukesh Ambani-owned Reliance Industries Limited (RIL) has refused to accept the “exceptional circumstances” argument advanced by the Petroleum and Natural Gas Ministry for the performance audit and sought an assurance that it would be kept completely “confidential” and not tabled in Parliament.