Narkel Rui Recipe/ Rohu Fish Curry with Yogurt and Coconut is a mildly spicy delectable creamy fish curry, which is a most suitable combination with hot piping rice.The marinated Rohu fish chunks are fried and then simmered in a thick gravy made with curd, onions, and coconut milk finished in a warm, spicy, cumin-flavored sauce which makes this great recipe.