The Narcotic Unit established for the enforcement of law under the Poisons, Opium and Dangerous Drugs ordinance is in operation at D.R Wijewardena Mawatha, Colombo 10. This Unit operates under the supervision of a Superintendent of Excise and consisting of an Officer In-charge of Excise, another 03 Excise Inspectors, Excise Sergeant Major, Excise Corporal, Excise Driver Guard and other officers.