Marinate the chicken with chilly powder, 1/4 tsp turmeric powder, garam masala, salt and water as required.
Heat oil in a vessel and deep fry the chicken in it.
Heat oil in a vessel and sauté onion in it for 10 minutes.
Add tomato and sauté it for 5 minutes.
Add chicken masala, Chilly powder, turmeric powder, pepper powder and salt as required.
Add chicken and coriander leaves. Mix well.
Cook for 10-15 minutes, till done.