Take a bowl and firstly make a buff vada for this add potato(mashed) in bowl add salt, red chili powder , turmeric powder , chat masala , garam masala , coriander powder
Mix well and make a small size of balls
Take a another bowl for making a batter
Add gram flour, salt , curd , green chili paste , garam masala and coriander powder
Mix all dry ingredients
Add water and mix well. Stir continues try do make a batter lumps free
Heat oil in a pan for deep fry
Add soda in batter and mix
Now deep bread slice in batter and deep fry till golden brown
Add onion ring in batter and deep fry also add potato balls in batter and deep fry till.golden brown
Serve with fried green chili
