About Indonesian Language
According to Wikipedia.org, Indonesian is the official language of Indonesia. It belongs to the Malayo-Polynesian branch while the standard dialect is Malay. When Indonesia became independent they declared Indonesian as their official language in 1945. Indonesian is spoken by 23 million people while it is the second language of 140 million people. As most Indonesians are bilingual they know more than three languages. Besides Indonesia, this language is also spoken in the Netherlands, the Philippines, and Singapore. Several dialects are spoken in various areas. The northern dialect is known as Malay while the southern dialect is most commonly spoken in Indonesia. There are regional dialects that are spoken in both north and south of Indonesia. It consists of six vowels but the sound system is similar to Malay.
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.