Official language both English and Hindi. The selection of an official language (or no official language) is often contentious. An alternative to having a single official language is "official multilingualism", where a government recognizes multiple official languages. Under this system, all government services are available in all official languages. Each citizen may choose their preferred language when conducting business. Most countries are multilingual and many are officially multilingual. Taiwan, Canada, Philippines, Belgium, Switzerland, and the European Union are examples of official multilingualism. This has been described as controversial and, in some other areas where it has been proposed, the idea has been
Official language when Darius the Great annexed Mesopotamia to the Persian Empire, he chose a form of the Aramaic language (the so-called Official Aramaic or Imperial Aramaic) as the vehicle for written communication between the different regions of the vast empire with its different peoples and languages. Aramaic script was widely employed from Egypt in the southwest to Bactria and Sogdiana in the northeast. Texts were dictated in the native dialects and written down in Aramaic, and then read out again in the native language at the places they were received. The First Emperor of Qin standardized the written language of China