The item is dressed, cleaned and then cut into medium sizes (approx. 7-8 pieces in 500 gm. packet). It is rich in proteins and low in fat. It also contains plenty of minerals such as zinc, iron and calcium, and has an abundance of omega-3 fatty acids. Vitamins such as A and D are also present. It helps increase the "absorption rate", boosts immunity and has anti-inflammatory properties. It also enhances the skin, nails and hair, regulates blood sugar and prevents cardiovascular disease. Rohu fish is a delicacy in the regions of Assam and Orissa. It is very popular in Bengali cuisine - served with mustard oil gravy. They otherwise can be served fried or grilled.