law: Chapter III
  Reclamation of Waste-land
  20. Definition.-
  In this Chapter-
  (a) "date of taking possession" means the date on which temporary possession of the land is taken on behalf of the Government under section 21;
  (b) "waste-land" means any land lying waste through water-logging, accumulation of sand, growth of jungle, soil erosion or any other cause, or lying uncultivated, for not less than three consecutive years.