Take a sauce pan of good quality, pour water and all the sauces including soya sauce, vinegar, orange juices and lemon juice. Let the sauce mixture to cook for 5-8 mins on medium heat.
After that add orange zest, crushed red chili, ginger garlic and brown sugar to the mixture, mix them together and cook for 5-10 mins so that brown sugar dissolves in the mixture completely. After that cool the mixture to room temperature.
To cook chicken follow the recipe of KFC chicken.
Now in a sauce pan,pour the prepared sauce and when it boils add cornstarch mixture (mix corn flour in 1/4 cup water) to the sauce and when the sauce gets the desire thickness add all the chicken pieces. Cover the pan and let them cook together on slow heat for at least
minutes so that chicken pieces absorb the flavor of sauce. Delicious orange chicken is ready to serve..