Hinduism is a Indian religion. It is one of the oldest religions still practiced, dating back to around 5000 BC. The core concepts of Hinduism are karma and reincarnation; if you do good deeds in this life, you will be rewarded in the next. Eventually, you can ascend to point of reaching moksha, or enlightenment. Hinduism is practiced by nearly 1 billion people, the vast majority in India and Nepal.