Solution:The Okka is a patrilineal joint family, the core group of the Coorg community. According to Srinivas, the Okka is "a group of genetically related males descended from a common ancestor and his wives and children.
One can become a member of an Okka only by birth. Each Okka holds ancestral immovable property which is generally undivided. A person is forbidden to marry within an Okka."