Heat 2 tbsp. oil in a pan and fry the chicken till light brown. Keep aside.
Heat remaining oil and temper with cumin seeds. Saute for a few seconds. Add the onion and garlic and saute till light brown.
Add the coriander leaves, coriander powder, slit green chilies, salt and turmeric powder. Saute for a few seconds.
Now add the fried chicken, kaffir lime leaves and 1 & 1/2 cups water and cook, covered on low flame till the chicken is cooked and the gravy is slightly reduced.
When done, add lemon juice and simmer for another minute. Switch off the flame and transfer to a serving dish. Serve with plain steamed rice, jeera rice, pulao, plain biryani or just plain chapati.