Boil the potatoes, peel and keep aside. If using big potatoes , cut them into chunks .
Soak cashews and khus khus in warm milk and make a paste.
Make a paste of onion and sauté in a nonstick pan till the moisture is absorbed .
Add the cashew paste and tomato purée .
Cook till dry .
Add all spices , potatoes and mix well .
Add the juice and some water to adjust the consistency of the gravy and boil for 5-7 minutes.
Add kasoori methi .
Garnish with pomegranate pearls and green chilly .
Serve hot .