Book: Hinduism in Five Minutes
Chapter: 4. Do All Hindus Speak Hindi? Is Hindi the Language of Hindus?
Blurb:
Westerners commonly assume that Hindi is the language spoken by all Hindu people. To the contrary, Hindi is only one of literally hundreds of languages spoken by Hindus in India alone. Although there has been a modern political push to present Hindi as the language of a Hindu India, many Hindus fiercely oppose this process.