Peel and cut the drumsticks into 2 inch pieces.
In a pan, fry onions on low flame till they turn pinkish.
Slit the green chilies length wise.
Once they turn pinkish, in an order add green chilies, chopped tomatoes, drumsticks, turmeric powder and grated coconut.
Add water and mix well.
Add salt to taste and cover the pan by a lid. Let this simmer for 10 minutes.
After 10 minutes, open the pan and give a nice stir. Add 1/4 cup water if needed.
Cover the pan and cook for further 10 minutes.
Check if drumsticks are cooked by pressing them slightly.
Add salt to taste and stir nicely.
Serve hot with rice or rotis.