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 realized as or as a retroflex approximant. Assamese and Sylheti are unusual among Eastern Indo-Aryan languages for the presence of the (which, phonetically, varies between velar () and a uvular () pronunciations, depending on the speaker and speech register), historically the MIA sibilant has lenited to and (non-initially). The derivation of the velar fricative from the coronal sibilant is evident in the name of the language in Assamese; some Assamese prefer to write or instead of or to reflect the sound change. The voiceless velar fricative is absent in the West Goalpariya dialects though it is found in lesser extent