This system of thousands of exclusive, endogamous groups, is called Jāti.
The caste has numerous endogamous groups, varying in different localities.
They are an endogamous group sub-divided into 14 exogamous lineages.
The Bedia are endogamous group, and marriage occurs within close kin.
They are an endogamous group and have traditionally avoided inter-marriage with Catholics of other castes.
They continued to remain an endogamous group within the Nasrani community.
The caste system in India is based on an order of (predominantly) endogamous groups.
Historically, it defined communities into thousands of endogamous hereditary groups called Jātis.
They are an endogamous group and practice gotra exogamy.
The Garodi are an endogamous group with four exogamous sub-divisions.