Take 1tbsp. Soya sauce, 1tbsp. corn flour, salt, egg in a bowl and marinate chicken pieces in the mixture for about 10-15 minutes. Heat oil and deep fry the marinated chicken pieces till golden brown.
Now in a separate wok / kadhai heat 1 tbsp. oil and add garlic paste and green chilies and sauté for few seconds. Add 2 cups of chicken broth or water.
Bring to boil and add sugar, pepper powder, salt, ajinomoto and remaining Soya sauce. Add fried chicken pieces to it and cook for few minutes.
Dissolve the remaining corn flour in 1/2 cup water and add to the curry stirring constantly to avoid lumps. Cook for 2-3 minutes.
Serve chili chicken hot garnished with chopped green onion tops. Goes well with steamed / boiled rice.