In a pan warm ghee add cinnamon sticks, green cardamom, black cardamom, cloves, bay leaves and fry. add lamb shanks and sear them well, add mutton stock and let it boil. add mutton stock, chopped kashmiri onions, kashmiri turmeric powder, salt, kashmiri red chilli paste and let it boil. add ginger juice, garlic juice, crushed black cardamom seeds and cook till it becomes fork tender. in the end add fennel powder and saffron and strain the gravy. serve hot rogan josh with rice.