Exemption eligibility for circulating and hydraulic oils denied as not lubricating oils; verification and corrective action directed. Circulating oils and hydraulic oils do not qualify as lubricating oils for the purposes of Notification No. 120/84-CE and are therefore not entitled to the exemption; show cause notices, confirmed demands and penalties in respect of such clearances are justified, and administrative verification and corrective action are required where other units have claimed the exemption.