The correct options are
B Polaj
C Parauti
D Chachar
All of the lands used for cultivation in the empire were classified under four types - Polaj, Parauti, Chachar, and Banjar. Polaj land was always cultivated and was never left fallow. Parauti land was allowed to lie fallow for a year or two to recover its strength. Chachar land had to be left uncultivated for a period of three to four years, whereas the Banjar land had to be kept fallow for five years or longer.