Take a clay pot and add mustard oil to it. Now you have to turn on the gas.
When the oil is hot, put cumin seeds, black pepper, green cardamom, black cardamom, cloves, cinnamon, bay leaves and stir it.
Add ginger, garlic and stir it for 1 minute.
Now add sliced onions and stir it for 1-2 minutes.
Add turmeric powder, red chilli powder, coriander powder, garam masala, salt and stir it.
Now add chicken pieces and mix them. Now cover it and leave it for 8-10 minutes.
Now stir it and again leave it for 8-10 minutes and then add chicken masala and stir it and cover it for again 6-7 minutes.
Now add chopped green coriander leaves and it's ready for serve.