law: Factories Act, 1948 
  50. Power to make rules to supplement this Chapter 
  The State Government may make rules- 
  (a) exempting, subject to compliance with such
  
  alternative arrangements for the welfare of workers as may be prescribed, any
  
  factory or class or description of factories from compliance with any of the
  
  provisions of this Chapter;
  (b) requiring in any factory or class or
  
  description of factories that representatives of the workers employed in the
  
  factory shall be associated with the management of the welfare arrangements of
  
  the workers.