Chilly Chicken

Ingredients :- For marination:- Chicken - 1kg Soya sauce -1/2 tea spoon Ginger & garlic paste - 1 tea spoon each Pepper powder - 1/2 tea spoon Sugar - 1/2 tea Vinegar - 1/2 tea Backing powder 1/2 tea Egg - 1 Oil - 1table spoon Water 1/4 cup Salt For gravy :- Onion - 2 big Green capsicum - 1(small) Red capsicum - 1(small ) Spring onion - 1(bunch) Green chilly - 5 Ginger & garlic chopped 1table spoon(each) Soya sauce - 3 table spoon Tomato sauce - 2 table spoon Vinegar 1 tea spoon Water - 1/2 cup Red chilly powder - 2 tea spoon Pepper powder - 1/2 teas Sugar - 1/4 teas