Heat a pan with oil, add chopped onions, garlic,green chili and saute until onions turn translucent
Add chopped tomatoes and tomato puree and 1/4 cup of water. let the tomatoes soften
Add red chili powder, coriander powder, turmeric powder and garam masala powder to onion-tomato and mix well. Let the tomato cook and ooze oil out.
Add the frozen Corn, add 1/2 Cup of water. Cover and cook for 10 minutes for the corn to cook.
When the corn is half-cooked, add chopped capsicums, salt and mix well. If the curry is dry, add another 1/2 cup of water and continue to cook with the cover on for another 10-12 minutes or until the capsicums are cooked
After the said time, the capsicums would have softened. Take it off the stove.
Garnish with chopped coriander and shredded ginger. Serve hot with Roti's/Rice.