Read the following paragraph which is a traveller's account of Indian experiences. The state evidently took special measures to encourage merchants. Almost all trade routes were well supplied with inns and guest houses. He was also amazed by the efficiency of the postal system which allowed merchants to not only send information and remit credit across long distances, but also to dispatch goods required at short notice. The postal system was so efficient that while it took fifty days to reach Delhi from Sind, the news reports of spies would reach the Sultan through the postal system in just five days. Who among the following gave the above account?

Marco Polo François Bernier Ibn Batuta Al Biruni

Ibn Batuta

Ibn Battuta was amazed by the efficiency of the postal system which allowed merchants to not only send information and remit credit across long distances, but also to dispatch goods required at short notice. The postal system was so efficient that while it took fifty days to reach Delhi from Sind, the news reports of spies would reach the Sultan through the postal system in just five days.