An endangered language is a language that is at a risk of falling out of use, generally because it has few surviving speakers. If it loses all of its native speakers, it becomes an extinct language. UNESCO defines four levels of language endangerment between "safe" (not endangered) and "extinct":
India
The following table lists the 191 languages of India that are classified as vulnerable or endangered.
References
List of endangered languages in India Wikipedia(Text) CC BY-SA