Pluck the drumstick flowers from the stems.Clean,wash and drain water completely. Set aside in a strainer smearing 1/4 th tsp salt.Combine drumstick flowers,chopped onion,green chillies,gram flour,rice flour,baking powder,turmeric,red chilli and cumin powder,asafoetida,kalonji and ajwain,salt to taste and chopped coriander in a bowl.Add 1 tbsp hot oil and mix well.Splash few spoons water as needed to make a thick batter.Set aside.

Heat oil in a pan or wok.Take a teaspoon of batter and drop in hot oil.Fry the fritters in batches in medium heat,flipping when one side turns golden brown.Fry till fritters are crispy. Remove from oil with a slotted spoon and drain excess oil on a kitchen tissue.