Central Government Act
Section 27(b) in The Narcotic Drugs And Psychotropic Substances Act, 1985
(b) where the narcotic drug or psychotropic substance possessed or consumed is other than those specified in or under clause (a), with imprisonment for a term which may extend to six months or with fine or with both. Explanation.-- (1) For the purposes of this section" small quantity" means such quantity as may be specified by the Central Government by notification in the Official Gazette.
Where a person is shown to have been in possession of a small quantity of a narcotic drug or psychotropic substance, the burden of proving that it was intended for the personal consumption of such person and not for sale or distribution, shall lie on such person.