This document provides an overview of the Narcotic Drugs and Psychotropic Substances Act (NDPS Act) of 1985 in India. It discusses the history and objectives of the Act, including rectifying deficiencies in previous drug laws. Key definitions covered include narcotic drugs, poppy straw, commercial and small quantities. It also outlines the various authorities and officers responsible for enforcement. The Act prohibits, controls, and regulates activities related to narcotic and psychotropic substances. It provides the licensing powers of central and state governments. Finally, it lists the various drug-related offenses and corresponding penalties under the Act.