law: Drugs and Magic Remedies, 1954
  14. Savings. -
  Nothing in this Act shall apply to-
  (a) Any sign board or notice displayed by a
  
  registered medical practitioner on his premises indicating that treatment for
  
  any disease, disorder or condition specified in section 3; the Schedule or the
  
  rules made under this Act, is undertaken in those premises; or
  (b) Any treatise or book dealing with any of
  
  the matter specified in section 3 from a bonafide scientific or social
  
  standpoint; or
  (c) Any advertisement relating to any drug
  
  sent confidentially in the manner prescribed under section 16 only to a
  
  registered medical practitioner; or
  (d) Any advertisement relating to a drug
  
  printed or published by the Government; or
  (e) Any advertisement relating to a drug
  
  printed or published by any person with the previous sanction of the Government
  
  granted prior to the commencement of the Drugs and magic Remedies
  
  (Objectionable Advertisement) Amendment Act, 1963 (42 of 1963).
  Provided that the Government may, for reasons to
  
  be recorded in writing withdraw the sanction after giving the person an
  
  opportunity of showing cause against such withdrawal.