Put the mutton, 1 tsp of salt and garlic into the water and boil for 20 mins.
Remove the mutton and reserve the stock after removing the scum.
Whisk the dahi and keep aside.
Make a paste of the chilly powder in a little water and keep aside.
Fry the onions in the ghee till lightly brown.
Add the cardamons(black+green), bay leaves, mace and cloves and fry for a min.
Add the powdered spices and saute for 2 mins.
Add the meat and saute for 5 mins.
Add the dahi, stir and saute for a few mins on low flame.
Add the salt with 4 cups of stock and cook, till meat is tender.
:- Serve with basmati rice or chappathis.