Heat oil in heavy bottomed wok, add chopped onions and saute till brown, now add the ginger garlic paste and mix.
Then add the powdered masalas and stir. Add the kheema, salt and mix. Cook for few minutes.
Add the tomatoes and cook till the tomatoes are mushy. Then add the green peas ans cook fuether. Add very little water and bring it upto boil till desired amount of gravy is acquired.
Once the kheema curry leaves oil and is cooked, check for seasoning and serve.