The Sultan who is said to have raised the land revenue to one-half of the produce was:

The Sultan who is said to have raised the land revenue to one-half of the produce was

Which Sultan demanded half the crops on land after measurement as revenue?

The Sultan of Delhi who is reputed to have built the biggest network of canals in India was :

Who was the first Sultan of Delhi who introduced regular coins and declared Delhi the capital of his empire?

During the regime of which Sultan was the Khalisa land developed on a large scale?