Take small onion, pepper, cumin, and all spice powders except tomato in a blender and puree till smooth.
Heat oil or ghee in a pressure cooker, add curry leaves and let it sizzle.
Add the ground masala and saute for 5 mins. Add in chopped tomatoes and mix wel.
Add in chicken and salt. Add water and cover the cooker.Pressure cook for 3 to 5 whistle.
Let the steam escape all by itself.
Add more water as needed. Boil it.
Top with coriander leaves and Serve.