The Aksharsila rock inscription has been deciphered by Bamenda, Bichhitra Srayana and Bichitra Bhusanashya. The most ancient of the historical relics is the Aksharsila rock inscription. It has generated considerable interest among antiquarians and historiographers. The script of the Inscription has believed to be pre-Brahmi. It is near contemporary of the Bikramkhol rock inscription of the Jharsuguda district. (Source)