Who among the following has written in detail about the unique communication or about the postal system of Delhi Sultanate?

Ibn Battuta

The correct answer is Option (3) → Ibn Battuta

Ibn Batutta has described the Postal system, in such a manner: In India the postal system is of two kinds. The horsepost, called uluq, is run by royal horses stationed at a distance of every four miles. The foot-post has three stations per mile; it is called dawa, that is one-third of a mile ...