Chop the drum stick and boil it.
Now finely chop the onion, garlic, carrot, and beans
Once drum stick got boiled, remove the flesh and keep aside.
In a sauce pan put the butter and melt it saute garlic
Now add one by one onion, carrot, beans and sauté it
Now add salt and white pepper mix well.
Now add water as required to boil the vegetables
In a bowl add milk, drum stick flesh and corn flour and mix well
Now add the mixture into the sauce pan and mix well and allow to boil for 5 to 10 mins
Now drum stick soup is ready, and serve hot