law: Ancient Monuments and Archaeological Sites and Remains Act, 1958
  24.Excavations, etc., for archaeological
  
  purposes .-
  
  
  No State Government shall undertake or
  
  authorize any person to undertake any excavation or other like operation for
  
  archaeological purposes in any area which is not a protected area except with the
  
  previous approval of the Central Government and in accordance with such rules
  
  or directions, if any, as the Central Government may make or give in this
  
  behalf.