Which Sultan wanted to launch a new religion but Ulemas opposed the move?

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

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

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

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

Which of the following Sultan appointed a special army to protect the boundaries of the empire?