The document discusses social diversity in India. It notes that India has significant diversity in terms of caste, religion, language, and region. Some of the key aspects of social diversity in India include its linguistic diversity, with over 3000 languages spoken, and its religious diversity, with Hindus making up 80% of the population and other faiths also present. The education system in India aims to promote understanding of social diversity and national integration, through teaching history, celebrating common festivals, and establishing a shared curriculum.