Cut chicken into slices, coat with flour, egg, 2 tbsp corn flour, salt and black pepper.
Now deep fry marinated chicken and keep aside.
Heat 2 tbsp oil in a pan, add ginger garlic paste and fry well.
Now add onion, tomatoes and broccoli. Cook for few minutes.
Add fried chicken, sesame seeds, sugar, oyster sauce, lemon juice, a little salt and ½ cup water.
Dissolve remaining 1 tbsp corn flour in a little water.
Thicken gravy with corn flour paste.
Dish it out and serve with boiled rice.