Avani Grains Rego Premium Vadi MATTA Rice is processed without any chemicals or polishing. Vadi MATTA Rice , which is the traditional rice in Southern India, comes in many varieties. Matta rice is called by different names : Rosematta rice, Palakkadan Matta rice, Kerala Red rice or Red parboiled rice. This rice can be eaten as such with curries or you can make any variety rice too.