The correct answer is option 2, i.e. Ibn Battuta. Ibn Battuta visited India during the reign of Muhammad Bin Tughlaq. ● He was a Moroccan scholar and traveller and travelled widely in the medieval world. ● He travelled most of the Islamic world and many non-Islamic countries in Central Asia, India and China. ● He travelled more than any other explorer covering the distance more than 100000 km. ● He wrote the book named Rihla. ● He composed his journey under the title ‘A Gift to Those Who Contemplate the Wonders of Cities and the Marvels of Traveling’.