Assamese language in the past. There are also significant Assamese-speaking communities in Australia, Dubai, the United Kingdom, Canada, Nepal and the United States. Assamese is the official language of Assam, and one of the 23 official languages recognised by the Republic of India. The Assam Secretariat functions in Assamese. The Assamese phonemic inventory consists of eight vowels, ten diphthongs, and twenty-three consonants (including two semivowels). Consonant clusters in Assamese include thirty three pure consonant letters in the Assamese alphabet. Each letter represents a single sound with an inherent vowel, the short vowel . The first twenty-five consonants letters are called "sparxa barna"
Assamese language become infused with the eastern idiom, became the standard literary form in the nineteenth century, when the British adopted it for state purposes. As the political and commercial center shifted to Guwahati after the mid-twentieth century, the literary form moved away from the eastern variety to take its current form. Assamese is native to Brahmaputra Valley consisting of western and eastern Assam. It is also spoken in states of Arunachal Pradesh and Nagaland. Presence of Assamese script can be found in Rakhine state of present Myanmar. Pashupati temple in Nepal also have inscription in Assamese showing its influence and prosperity