Rui macher kalia or fish kalia is an inimitable Bengali recipe of fish which is immensely popular in Bengal and the subcontinents of East India. Any Bengali wedding ceremony is incomplete without Fish kalia. It is known for its rich texture, irresistible taste and exceptional flavour. In this preparation, Fried fish chunks are simmered in spicy Onion-Tomato and Yogurt gravy. This flavoured delight is mostly relished with steamed Basmati rice.