law: Constitution of India, 1949 
     23. Prohibition of traffic in human beings and
  
  forced labor.- 
  (1) Traffic in human beings and begar and
  
  other similar forms of forced labor are prohibited and any contravention of
  
  this provision shall be an offence punishable in accordance with law.
  (2) Nothing in this article shall prevent the
  
  State from imposing compulsory service for public purpose, and in imposing such
  
  service the State shall not make any discrimination on grounds only of
  
  religion, race, caste or class or any of them.