Blend the soaked dal, 2 chilli and 1-inch ginger to a coarse paste without adding water.
add reserved dal, 2 tbsp curry leaves, 2 tbsp coriander, pinch hing and 1 tsp salt. squeeze and combine them well.

Furthermore, grease your hand with oil and prepare small balls, flatten the vada.
and deep fry in hot oil. or preheat and bake at 180-degree Celcius for 25 minutes or until it turns golden and crisp.

Also, stir occasionally till the dal vada turns golden and crisp.
Finally, serve mix dal vada hot along with masala chai.