Take chicken in a bowl. Add soy sauce, tomato ketchup, chilli powder, pepper powder and salt.

Add all purpose flour and corn flour. Mix well. Keep aside.

Heat oil in a kadhai. Add chicken pieces into it. Fry in a medium flame till it turns golden brown. Take out and keep aside.

Take another pan, add oil and let it heat. Add chopped ginger and garlic. Fry for few seconds.

Add green chilli, onion and capsicum. Fry for one minute.

Add all the sauces and vinegar. Mix well

Add chicken pieces and mix well. It's ready.