This korma combines the sweetness of raisins and almonds with the tang of yoghurt and the richness of cream and ghee, creating a luxurious sauce that clings beautifully to the delicate Rui flesh. Marinating the fish briefly in turmeric and salt helps it hold its shape during cooking. Be gentle when stirring once the fish is added to prevent the pieces from breaking apart. Rui Maacher Korma is a luxurious and mildly spiced Bengali fish dish made with Rui (Rohu) fish, a freshwater carp that is beloved across Bengal. This is not an everyday fish curry. It’s a festive dish served at weddings, Eid, Puja feasts, or to honour guests. It’s a flavour of neighbour richness with Bengali tradition.