I a kadai heat 2 tbsp oil. add finely chopped onions and saute them till they turn translucent.
then add ginger-garlic paste. saute till the raw aroma of ginger-garlic goes away.
now add the finely chopped tomatoes. saute tomatoes for 3 to 4 mins.
then add the ground kadai masala to the tomatoes.

Saute the tomatoes till the whole mixture become like a paste and starts to leave oil.
now add the capsicum julienne. saute the capsicum for some 3 to 4 minutes.
then add green chilies. add water.