Ingredients:
Idli rice              -     1 cup
Raw rice            -     1 cup
Cooked rice       -     1/4 cup
Coconut             -      1 cup
Fenugreek seeds -     1 spoon (vendhayam)Cooking soda - 1 pinch.
Procedure:
Soak all ingredients for 4 to 6 hours except cooked rice and coconutGrind all ingredients like dosa batter.
keep it aside for whole night.
Pour the batter in appam tawa  or dosa tawa cover and cook it. 
