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 Tajik Language
According to Wikipedia.org, Tajik is a form of Persian that is spoken in Tajikistan, Uzbekistan, Kyrgyzstan, Kyrgyzstan, China, and Kazakhstan. The total number of Tajik speakers is 8 million that including 6.3 million in Tajikistan itself. You will be surprised to know that the Persian language in Tajikistan was renamed Tajik by Stalin in 1932. This was done to differentiate Persian speakers in Iran and Central Asia. Before 1928 Tajik was written in Perso-Arabic script. However, from 1928 to 1940 it was modified with the Cyrillic alphabet. There were a lot of people who wanted to switch it to the Latin alphabet. The Tajik dialects are separated into northern, central, southern, and Southeastern dialects. Most of the politicians and other officials usually make their speeches in the Kulob dialect. There is a total of six vowels in this language.