The best way to learn proper English is to read news report, and watch news on TV. Watching TV shows is a great way to learn casual English, slang words, understand culture reference and humor. If you have already watched these shows then you may recall the words used in the following dialogs.

...and she was enjoying
the sweet taste of Hindu rebellion...
The Big Bang Theory Season 4, Episode 6

He's the Hindu version of Cupid,
The Big Bang Theory Season 5, Episode 1

The Hindu gods
against the entire Union Army?
The Big Bang Theory Season 1, Episode 5

...one of the five central religious duties
or sacrifices of the Hindu householder?
The Big Bang Theory Season 2, Episode 1

- You think you can put up with Sheldon?
- Well, I'm a Hindu.
The Big Bang Theory Season 2, Episode 23