References
Jullian, Joseph,1977, Social Problems, Prentice Hall, Englewood Cliffs, New Jersey.
World Drug Report 2011, United Nations Office of Drug and Crime, p.11-14
World Drug Report 2010 , United Nations Office of Drug and Crime, p. 40.
Extent, Pattern and Trend of Drug Use in India , Ministry of Social Justice and Empowerment, Government of India, 2004, pp. ix, 5.