Academy of Sciences of Afghanistan is the official goverment agency of Afghanistan that regulates the Dari (Persian) and Pashtu languages spoken in Afghanistan. It also works with Tajikstan and Iran's official goverment agencies to regulate literature. Dari is a term used to denote one of several closely related Persian dialects spoken in what used to be Greater Khorasan: The official name for the Persian language in Afghanistan; see Dari (Afghanistan) One name used by Zoroastrians (the others being Gabri and Yazdi) to refer to the Northwestern... Pashto (پښتو; also known as Afghan, Pushto, Pashto, Pashtoe, Pashtu, and Pukhto) is the language spoken by the ethnic Afghan otherwise known as the Pashtun people who inhabit Afghanistan and the Western provinces of Pakistan. ...