Heat oil in a saucepan and add the onions, chillies and tomatoes. Saute till nicely wilted and browned.
Add the washed chicken pieces and cook on slow flame till soft.
Now add the ingredients from chilli powder to garam masala powder and give it a good toss. Cook till completely done.
Adjust salt and pepper. Add the ghee and curry leaves and toss. Serve hot with side of choice.