Roast 200 g of raw rice and powder it into a nice rava.Dry roast 2 tsp of cowgram. In a thick vessel, heat water to boil, and add the roasted cowgram , coconut pieces(cut into very small pieces) and 1/2 tsp salt.When they are cooked, add the rawa and stir into a paste. Flatten this flour ino round shape (the size of urud vadai), place in idli plates and cook.