Dice the tofu. Cut capsicum and 50 gms onion into equal sized pieces. Coarsely grind the remaining onion. Fry the diced tofu in 10 ml soya refined oil and keep aside.  Add the remaining soya refined oil and saute ginger and garlic till golden brown.  Add onion paste. Saute for 2-3 minutes before adding the tomato paste. Cook till oil starts separating from the mixture. Add remaining spices. Add chopped onion, capsicum and tofu. Saute for 2 minutes. Add hot water and let the gravy simmer. Do not close lid. Cook till the gravy thickens. Serve hot with chappaties.