law: Factories Act, 1948 
  10. Certifying surgeons 
  (1) The State Government may appoint qualified medical
  
  practitioners to be certifying surgeons for the purposes of this Act within
  
  such local limits or for such factory or class or description of factories as
  
  it may assign to them respectively.
  (2) A certifying surgeon may, with the approval of the State
  
  Government, authorize any qualified medical practitioner to exercise any of his
  
  powers under this Act for such period as the certifying surgeon may specify and
  
  subject to such conditions as the State Government may think fit to impose, and
  
  references in this Act to a certifying surgeon shall be deemed to include
  
  references to any qualified medical practitioner when so authorized.
  (3) No person shall be appointed to be, or authorized to
  
  exercise the powers of a certifying surgeon, or having been so appointed or
  
  authorized, continue to exercise such powers, who is or becomes the occupier of
  
  a factory or is or becomes directly or indirectly interested therein or in any
  
  process or business carried on therein or in any patent or machinery connected therewith
  
  or is otherwise in the employ of the factory:
   7  [PROVIDED that the State Government may, by order
  
  in writing and subject to such conditions as may be specified in the order,
  
  exempt any person or class of persons from the provisions of this sub-section
  
  in respect of any factory or class or description of factories.]
  (4) The certifying surgeon shall carry out such duties as may be
  
  prescribed in connection with- 
  (a) the examination and certification of young
  
  persons under this Act;
  (b) the examination of persons engaged in
  
  factories in such dangerous occupations or processes as may be prescribed;
  (c) the exercising of such medical supervision
  
  as may be prescribed for any factory or class or description of factories
  
  where- 
  ( i ) cases of illness
  
  have occurred which it is reasonable to believe are due to the nature of the
  
  manufacturing process carried on, or other conditions of work prevailing,
  
  therein;
  (ii) by reason of any change in the
  
  manufacturing process carried on or in the substances used therein or by reason
  
  of the adoption of any new manufacturing process or of any new substance for
  
  use in a manufacturing process, there is a likelihood of injury to the health
  
  of workers employed in that manufacturing process;
  (iii) young persons are, or are about to be,
  
  employed in any work which is likely to cause injury to their health.
   Explanation 
  :  In this section "qualified medical
  
  practitioner" means a person holding a qualification granted by an
  
  authority specified in the Schedule to the Indian Medical Degrees Act, 1916, or
  
  in Schedules to the Indian Medical Council Act, 193329.