Sauce - boil rest of the oil with sesame oil in the same skillet,after remove the fried fishes. Put garlic saute till brown,next add onion and ginger saute for minute,add carrot saute for few minutes add all types of bell peppers saute for medium high heat add vinegar add soya sauce mix well add black pepper powder,salt red chilli sauce,tomato sauce, mix well saute for medium high heat add liquid corn starch mix again saute until the gravy is well cooked.