The Narcotics Control Bureau (NCB) is an Indian federal law enforcement and intelligence institution under the Ministry of Home Affairs, serving as the apex coordinating agency for drug law enforcement in the country. It was formally constituted on March 17, 1986, by the Government of India under Section 4(3) of The Narcotic Drugs and Psychotropic Substances (NDPS) Act, 1985. The NCB was created to enable the full implementation of the stringent NDPS Act, 1985, which itself consolidated earlier laws like the Opium Acts and the Dangerous Drugs Act, 1930, and was enacted to fulfill India's obligations under international treaties, such as the 1988 UN Convention against Illicit Traffic.
The NCB works by coordinating the actions of various central and state authorities, including the Customs and State Police, under the NDPS Act, 1985, the Customs Act, 1962, and the Drugs and Cosmetics Act, 1940. NCB officers are empowered under Section 53 of the NDPS Act, 1985, to conduct searches, seizures, and arrests without a warrant for cognizable offenses. The agency's policy is rooted in the Directive Principles of State Policy, specifically Article 47 of the Constitution, which directs the State to endeavor to prohibit the consumption of intoxicating drugs.
The NCB's mandate connects it directly to the Prevention of Illicit Traffic in Narcotic Drugs and Psychotropic Substances (PITNDPS) Act, 1988, which provides for preventive detention in certain cases. A significant recent development is the announcement in June 2026 by the Union Home Minister that the Centre will amend the NDPS Act to plug loopholes exploited by narco syndicates. The proposed amendments, which are being drafted by the Finance Ministry, aim to update the law to address emerging challenges and promote a more reformative approach for persons suffering from addiction.