In Ain-i-Akbari, which type of land is left out of cultivation for a time so that it may recover its strength?

Parauti

The correct answer is Option (2) → Parauti

Different types of land mentioned in Ain- 

Polaj, land which is annually cultivated for each crop in succession and is never allowed to lie fallow.

Parauti, land left out of cultivation for a time that it may recover its strength.

Chachar, land that has lain fallow for three or four years.

Banjar, land that is left uncultivated for five years and more.