Many foreigners often confuse between Hindi and Hindu. So here is a T-shirt to clear up the matter.
Hope it is of some effect. There are several foreigners and bloggers who use Hindu instead of Hindi. And several who use Hindi instead of Hindu.
Hindi is the official language in India and most widely spoken. Bollywood movies are made in Hindi. There are more than 20 other written languages in India. Hindi is one among them.
Hindu is referred to the person who practices Hinduism.