Manufactured drug, means--
(a) all coca derivatives, medicinal cannabis, opium derivatives and poppy straw concentrate;
(b) any other narcotic substance or preparation which the Central Government may, having regard to the available information as to its nature or to a decision, if any, under any International Convention, by notification in the Official Gazette, declare to be a manufactured drug. [Narcotic Drugs and Psychotropic Substances Act, 1985 (61 of 1985), s. 2 (xi)]
But does not include any narcotic substance or preparation which the Central Government may, having regard to the available information as to its nature or to a decision, if any, under any International Convention, by notification in the Official Gazette, declare not to be a manufactured drug.