Boil the meat for 5 min. Add all masala in it accept (onions, potato, cilantro, gram masala) When the meat is tender and not much water left separate the meat from curry. Take the big pan pour some oil and fry meat in it. Cut the potatoes in thin slices and fry in a same oil till golden or almost tender. Fry onions for 5 to 7 min. in a same oil. do not make golden). Take the curry, potatoes and fried meat and mix in onion's pan. Stir the mixture for 5 minor till the water dry. Turn the heat at low and spread gram masala then cilantro. After 2mints turn off the heat. And eat this delicious dish with fresh naan.