The Kharostri writing, anteriorly called Indo-Bacteria, adopted his name from the Indian tradition. It was written from the write to the left. And has its origin in the Aramaic writing introduced by the scribes of the Persian administration, after the conquest of the Low Indus by the Darius, in the final of the 6 Th century. The Indian grammatical changed the Aramaic language, or above their inspiration, to respond to the exigencies imposed for the adoption the new language. This learned man, applied in conserving the exact pronounces of Vedic texts, they had a phonetic exact knoledged. The usage of this writing can be proved by Bactriana coins, as well by some engraved inscriptions by the order of the king of Osaka, in the 3 Rd century BC.