Wash the vegetables and prawns  thoroughly. Clean the prawns properly and cut the vegetables in to small pieces. Fry the prawns in ½ table spoon refined oil, add salt and turmeric powder to it. Keep it aside. Make a paste of onion, cumin seeds, coriander, garlic, ginger. Fry the paste in a pan with refined oil. Then add all the washed vegetables, salt ,turmeric powder and chili powder and mix them thoroughly. Pour water to it. Put the pan on low flame for about 3 minutes. Add the fried prawns when the vegetables appear boiled and place the pan on low flame again for 5 minutes. Your chingudi mahura is ready. Serve with hot rice.