Section 3(1)(h) in Bihar Narcotic Drugs and Psychotropic Substances Rules, 1985
(h)"Excise Officer" means the Commissioner of Excise or a Collector or an officer of the Department of Excise and Prohibition Bihar, not below the rank of an Assistant sub-inspector of Excise and includes any person empowered by the Government to exercise all or any of the powers of an Excise Officer under these rules;