Heat ghee in a deep pan, add mutton pieces and sauté on high heat till well browned. Add nihari masala and continue to sauté for two minutes.
Add half the fried onions and mix. Add two cups of water and salt and bring it to a boil. Cover and cook till the mutton is completely cooked.
Mix whole wheat flour in half a cup of water well so that there are no lumps. Add the remaining fried onions to the mutton mixture. Add the wheat flour mixture and mix well.
Cook till the gravy thickens. Add ginger strips and cook till the mutton begins to leave the bones. Serve hot.