law: Right to Fair Compensation and Transparency in Land Acquisition, Rehabilitation and Resettlement Act, 2013 
  100. No change of purpose to be allowed.
  No change from the purpose or related purposes for which the
  
  land is originally sought to be acquired shall be allowed:
  Provided that if the land acquired is rendered unusable for the
  
  purpose for which it was acquired due to a fundamental change because of any
  
  unforeseen circumstances, then the appropriate Government may use such land for
  
  any other public purpose.