Nepali language, know as Nepali Bhasha speaks peoples of the Pahadi (Pahari) subgroup of the Indo-Aryan group of the Indo-Iranian part of the Indo-European languages. It is also called also Gorkhali, Gurkhali, Gurkha, Khaskura or Khas bhasa.
Nepali is spoken by more than 17 million people, mostly in the Nepal and neighbouring areas of India, also smaller groups speech in Bhutan, Brunei, and Myanmar.
Nepali Language in the Devnagari script is the official language of Nepal. But a state may determine one or more than one languages of the nation spoken by a majority of people within the State as its official language(s), in addition to the Nepali language by a State law (art. 7(2) of Constitution of Nepal).
All human beings are born free & equal, they have equal dignity and rights. Thus the constitution also respect the all language as languages of the nation of Nepal, stating that all languages spoken as the mother tongues in Nepal are the languages of the nation.