law: Factories Act, 1948 
  42. Washing facilities 
  (1) In every factory,- 
  (a) adequate and suitable facilities for
  
  washing shall be provided and maintained for the use of the workers therein;
  (b) separate and adequately screened
  
  facilities shall be provided for the use of male and female workers;
  (c) such facilities shall be conveniently
  
  accessible and shall be kept clean.
  (2) The State Government may, in respect of any factory or class
  
  or description of factories or of any manufacturing process, prescribe
  
  standards of adequate and suitable facilities for washing.