law: Ancient Monuments and Archaeological Sites and Remains Act, 1958
  22.Excavations in areas other than protected
  
  areas .-
  
  
  Where an archaeological officer has reason to
  
  believe that any area not being a protected area contains ruins or relies of
  
  historical or archaeological importance, he or an officer authorized by him in
  
  this behalf may, after giving notice in writing to the Collector and the owner,
  
  enter upon and make excavations in the area.