Option b is the correct answer. The edicts of Ashoka were deciphered by British archaeologist and historian James Prinsep in the 19th century. Important Tips James Prinsep's deciphering: In addition to deciphering Brahmi, Prinsep also deciphered the 'Kharosthi' script, an ancient script used in the NorthWestern regions of India to write Sanskrit and Prakrit. For this, he used the coins of the Indo-Greek kings that had ruled Punjab. These coins had the names of the rulers written in Greek on one side and in Kharosthi on the other.