Hindus have a language just like Americans do. If people didn't have languages we couldn't communicate easily.
Sanskit :)
In fact, Sanskrit. But it is not in use now.
Yes, Sanskrit is important language for Hindu. Many Hindus still practice sanskrit worldwide.
Hindus speak many languages in India, so they can worship in their own language. However, Sanskrit is the language of most scriptures. And as you would agree, no language is necessary for communication with Gods, they understand our wishes (at least that is what the believers would say).
The language of the Hindus was Sanskrit, while the language of the Incas was Quechua.
Most of the sacred books of Hinduism are written in Sanskrit and the script is called Devanagiri. However, Sanskrit is no longer in common use. No particular language is main for all the Hindus. A majority of Indians are Hindus. but that doesn't mean that we speak the same language. Not all Hindus speak Hindi. Similarly, not all Hindi speaking people are Hindus.
Its sanskrit - the mother of all languages.
sankranthi is hindus greatest Festival
Hindus invented zero. They called it sunya, the great silence.
Nobody in Southeast Asia speaks the same language as most other people in Southeast Asia. Hindus usually (but not always) speak Hindi, which is a very widely spoken language in India, but there are over 2000 different languages spoken in Southeast Asia.
By word of mouth
In the Indian Language it is called the Ganga River. In America, they call it the Ganges.