Curd Ginger Chicken

how to prepare(cook)Curd Ginger Chicken ?
Ingredients

1 lb boneless chicken
1 cup plain yogurt
1 small root of ginger
1 tbsp of tomato puree
1 tbsp of vegetable oil
Salt and black pepper
Method
Peel the ginger root and cut it in small pieces.
Fry ginger in vegetable oil.
Mix rest of ingredients once ginger is golden brown.
Cover the pan and let chicken cook until it is tender. Keep stirring in between.
Serve hot with fresh cut parsley on it.