Combine chicken with ginger-garlic paste, chili powder, salt and turmeric and let marinate for 5 – 10 minutes or more.
Heat oil in a pan, add in the curry leaves, whites of spring onions and marinated chicken and sauté for few minutes.
Add in the tomatoes and and remaining spring onions and sauté for few mins.
Add the finely ground masala, some water and let it cook for 10 – 15 mins.
Remove and serve with Chapati/Naan.