law: Narcotic Drugs and Psychotropic Substances Act, 1985
  4. Central Government to take measures
  
  for preventing and combating abuse of and illicit traffic in narcotic drugs,
  
  etc.
  (1) Subject to the provisions of this Act, the Central
  
  Government shall take all such measures as it deems necessary or expedient for
  
  the purpose of preventing and combating abuse of narcotic drugs and
  
  psychotropic substances and the illicit traffic therein.
  (2) In particular and without prejudice to the generality of the
  
  provisions of sub-section (1), the measures which the Central Government may
  
  take under that sub-section include measures with respect to all or any of the
  
  following matter, namely:-
  (a) coordination of actions by various
  
  officers, State Governments and other authorities-
  (i) under this Act, or
  (ii) under any other law for the time being in
  
  force in connection with the enforcement of the provisions of this Act;
  (b) obligations under the International
  
  Conventions;
  (c) assistance to the concerned authorities in
  
  foreign countries and concerned international organizations with a view to
  
  facilitating coordination and universal action for prevention and suppression
  
  of illicit traffic in narcotic drugs and psychotropic substances;
  (d) identification, treatment, education,
  
  after care, rehabilitation and social re-integration of addicts;
  (e) such other matters as the Central
  
  Government deems necessary or expedient for the purpose of securing the
  
  effective implementation of the provisions of this Act and preventing and
  
  combating the abuse of narcotic drugs and psychotropic substances and illicit
  
  traffic therein.
  (3) The Central Government may, if it considers it necessary or
  
  expedient so to do for the purposes of this Act, by order, published in the
  
  Official Gazette, constitute an authority or a hierarchy of authorities by such
  
  name or names as may be specified in the order for the purpose of exercising
  
  such of the powers and functions of the Central Government under this Act and
  
  for taking measures with respect to such of the matters referred to in
  
  sub-section (2) as may be mentioned in the order, and subject to the
  
  supervision and control of the Central Government and the provisions of such
  
  order, such authority or authorities may exercise the powers and take the
  
  measures so mentioned in the order as if such authority or authorities had been
  
  empowered by this Act to exercise those powers and take such measures.