In a deep pan , heat 1 ½ tablespoon of oil , add washed and cleaned chicken pieces.
Add ½ teaspoon salt, turmeric powder and cook on medium heat till chicken releases water.
Meanwhile, slit green chillies and cut casicum into ½ inch cubes and set aside. Add more green chillies if you can withstand more heat.
When water is about to dry , add 1 teaspoon of Soya Sauce and 1 teaspoon of Vinegar
Mix well everything and continue to cook further for 5 more minutes till chicken is well cooked. Don't overcook chicken , it may dry out the chicken.
Whilst , in a wok heat 1 ½ tablespoon of oil , add slit green chillies and capsicum.
Saute well and add remaining soya sauce and vinegar to this , mix well.
Now transfer the cooked chicken pieces into the wok , stir well .
Add ½ teaspoon of crushed black pepper powder. Check taste and then add salt ,if needed as soya sauce has lot of salt in it.
Serve hot .