About Odia (Oriya) Language
According to Wikipedia.org, Odia language is an Indo-Aryan language. It is spoken by 50 million speakers as this language is recognized officially. The Indian constitution is using this language officially for its purposes. Odia is also the official language of Odisha (Oriya) which is a prominent Indian state. This language has several dialects but Mughalbandi (Coastal Odia) happens to be the standard dialect. It is also the official language for education in this state. Odia belongs to the eastern group of the Indo-Aryan family. It is derived from Ardhamagadhi Prakrit. You will be surprised to know that Odia shares a lot of similarities with Bengali. Even the first classic poetry started to shape up with this language. This language is heavily inspired by Dravidian languages. The lexicon is also associated with Tamil, Telugu, and Marathi.
About Nepali Language
According to Wikipedia.org, Nepali is an Indo-Aryan language. It is the sub-branch of Eastern Pahari. Nepali is the official language at the federal level in Nepal. It is one of the 22 scheduled languages of India. Nepali is also called Nepalese, Gorkhali, or Parbatiya. Nepali is spoken mainly in Nepal and is spoken by a quarter of the population in Bhutan. Nepali has official status in the state of Sikkim and is also spoken in the Kalimpong district of West Bengal. Nepali has a significant number of speakers in Arunachal Pradesh, Assam, Himachal Pradesh, Manipur, Mizoram, and Uttarakhand. The origin of the modern Nepali language is linked to the Sinja Valley of Jumla. It is a historical language and was spoken by the Khas people of the Karnali region. The language gets its name from Khas Speech (Khas Kurā). Nepali has an archaic dialect and is spoken in Karnali.