Marathi Hindu people are historically endogamous within their caste but exogamous with their clan. Marriages may be village endogamous or exogamous. A classic example is India's caste system, in which unequal castes are endogamous. The Vyas are strictly endogamous and practice clan exogamy. These caste categories have been exclusionary, endogamous and the social identity inherited. Diseases inherited in an autosomal recessive pattern often occur in endogamous populations. The Valand are endogamous and practice clan exogamy. These trans-gotra affiliations led to the formation of a number of regional endogamous "Brahmin Jatis". Gradually, the term "Maratha" came to denote an endogamous caste. The practice of endogamous marriage in one's caste is strictly observed in India. These groups were largely endogamous, exclusionary and with limited mobility. The demographic is largely endogamous and insular. Thus, the term "Maratha" became a marker of an endogamous caste for them. Hindre are strictly endogamous and their marriages are arranged. Both groups practiced endogamous marriage, maintaining their distinctions.