Explanation: Equally innovative was Muhammad Tughlaq’s scheme to expand cultivation. But it also failed miserably.

• It coincided with a prolonged and severe famine in the Doab. The peasants who rebelled were harshly dealt with.
• The famine was linked to the oppressive and arbitrary collection of land revenue.
• The Sultan established a separate department (Diwan-i-Amir Kohi) to take care of agriculture.

Source: Tamil Nadu NCERT