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 Bengali Language
According to Wikipedia.org, Bengali is a popular Indo-Aryan language. The native speakers of this language are from the Bengal region in South Asia. It is also popularly known as Bangla and is the official language of Bangladesh. You will be surprised to know that is widely spoken in 22 scheduled languages of India. The total number of native speakers is 250 million. If we talk about the writing system it is Bengali and Bengali Braille. There are two different standard styles in Bengali known as Sadhubhasa (elegant or genteel speech) and the Chaltibhasa (current or colloquial speech). It is now used for both business and personal communications. If we talk about the simple Bengali sentence is follows a subject-object-verb word order. When it is present the negative particle will come at the ending of a sentence. You need to recognize six different cases and three verb tenses.