Jamnapari is famous for its large and graceful body. It has long ears and thick fur on rumps. Male Jamnapari is weighted up to 100 kg while the female is up to 70 kg. Though they are large in size with long brooding ears.

Male Jamnapari is sexually strong and can copulate with female frequently. Female Jamnapari will give birth to one kid and 2 to 4 kids can be born after the first kidding. Jamnapari can be used to cross breed with the local goat and give birth to a stronger breed, which can grow up to the local goat's weight after only three months.