cut chicken into thin strips and mix everything given under marination together and marinate for 1 hour.
deep fry the marinated chicken pieces in hot oil until crisp and keep aside.
for making sauce. heat oil in a pan, fry onions, cashews, bell pepper sliced until slightly brown.
to this, add ginger garlic paste and red chilli paste. fry until raw smell goes off.
further add soya sauce, tomato sauce, red chillies, sugar and mix well.
lastly add corn slurry, vinegar, 1/8-1/4 cup water and give it a good mix. heat in simmer until it thickens and becomes saucy.
when it is saucy, add fried chicken pieces and mix well.
heat a tadka pan and fry sesame seeds until it pops. add it to the chicken, mix and serve hot