Bihar is a state in eastern India with Patna as its capital. It has a population of over 100 million, making it the 3rd most populous state. Bihar is considered one of India's poorest states with high social inequality. However, it has a rich history and culture, being the birthplace of Buddhism, Jainism, and many important historical figures. Bihar struggles with issues like literacy, crime, and caste discrimination despite its cultural and economic contributions to India over centuries.