Mix the cornstarch with 1/4 cup of water and set aside. Blend 5 sliced tomatoes, green chilies and ginger to make a puree. Slice 1 tomato length wise into 8-10 pieces and set aside. Heat the oil in a saucepan. Add the cumin seeds, and asafetida, as seeds crack add tomato puree, coriander, turmeric, BHARAT CURRY POWDER, sugar and salt. Cover the pot and cook for about 5 minutes. Add all the vegetables and 1/4 cup of water. Cover the pan and let it cook for about 10 minutes over medium heat stir few times in between. Vegetables should be tender not mushy. Add cornstarch mixture and let it cook for 2 more minutes. Cornstarch is added to thicken the gravy. If gravy is too thick add some hot water as needed. Turn off the heat add tomato slices and cilantro, stir and cover the pan for few minutes before sewing. Enjoy the vegetable curry.