Ponni rice has got immense health benefits and is especially beneficial for diabetics and high blood sugar patients.Ponni Rice is a variety of rice cultivated in Southern India. Ponni literally means Gold in Tamil and also refers to River Kaveri. Parboiled rice is steamed before milling and is partially boiled in the husk. Parboiling therefore makes parboiled white rice nutritionally similar to brown rice. Ponni Rice is a variety of rice cultivated in Southern India. Ponni literally means Gold in Tamil and also refers to River Kaveri. Parboiled rice is steamed before milling and is partially boiled in the husk. Parboiling therefore makes parboiled white rice nutritionally similar to brown rice.