Cooking: heat oil and ghee in the pressure cooker and add black cardamom, green cardamom, Jeera, and cinnamon and onion paste. Cook on medium flame, keep stirring and cook till the onions turn dark brown. Please take care and not burn the onions. Now, add little water to avoid burning and add salt, chilli powder, turmeric powder, coriander powder. Cook till ghee seperates.Cook on simmer.