Soak urad dal overnight.

Grind urad dal and then add green chillies and form a fluffy batter

Take the batter in a bowl and stir continously. add little salt

Heat oil for deep frying. Fry the vada in batches till crisp and golden.

When they are still warm, Add the vada in water and let them soak for 20 minutes

Beat the curd till smooth.

In a large serving bowl add vada,pour the curd,roasted cumin powder,chat masala, salt,red chilli powder..