Marinate chicken with soy sauce,corn flour,salt one tbsp oil and vinegar and sugar for half an hour.
Heat oil in a pan,add whole red chilly and saute for few seconds.
Add chopped garlic and grated ginger and saute for one mins.
Add capsicum and chopped onion and stir fry till crunchy.
Add marinated chicken and saute for two to three mins
Add roasted peanuts powder and mix well.
Take a bowl add one tbsp soy sauce,corn flour and black pepper powder mix with half cup of water and add in the pan.
Cover it and cook for five mins in a slow flame
Serve hot with chapatis.