Grate the 1 medium size dudhi and collect it in a big bowl.
Then add green chili paste, ginger paste, ajwain, white sesame seeds, salt, turmeric powder, red chili powder, sugar lemon juice, garam masala, curd, and coriander leaves. mix well.
Now add flour gradually and knead the soft dough for vada.
Then add baking soda and pour hot oil into it to activate it. mix well.
Now, grease your palm with water and make round disc shape vada. You can also make vada on wet cotton cloth.
Heat oil in a pan, add vada and deep-fried on medium-low flame.
Take out fried vada on a wire rack or tissue paper and serve with green chutney.