Wash and soak green and yellow moong dal, chana dal, and urad dal for 4-5 hours.
Then remove soaked dal water and add dal into mixer jar with green chili and ginger. Add little water and Grind the batter into a coarse paste.
Take out grinded mixer into a bowl and stir continuously in one direction. After a few minutes mixer is light, fluffy, and changes its color.
Then add salt, hing crushed black pepper, and coriander leaves. Mix well.
Now add baking soda and some hot oil. Mix well into the batter.
Heat oil in a pan and add vada into it. Fry vada on medium flame till it becomes crispy and golden brown.
Serve hot dal vada with chutney, fried chilies, and onion slices.