Take the finely chopped or grated veggies in a bowl.
Then add the dry ingredients corn starch, all-purpose flour (maida), black pepper and salt.Mix and gather the whole mixture together.

Then take a small portion of the mixture in your hands.
Press and roll it in your palm and make a round veggie ball. Make all veggie balls this way and keep aside.

Heat oil for deep frying in a kadai or pan. fry these veg manchurian balls.Fry the balls till crisp and golden.
Remove them on kitchen paper towels.

For Gravy
In a small bowl take the following three sauces – soy sauce, tomato ketchup and red chilli sauce.
Mix the sauces very well and keep aside.In another small bowl take cornflour and water. Mix very well and keep aside.
Heat oil in a pan or wok. Add spring onions, chopped ginger, chopped garlic, chopped green chilies and chopped capsicum.

Stir fry on medium flame till the onions turn translucent.
Now add the mixed sauces. Stir and mix very well.Add 1/2 cup water. Let the mixture come to a boil.Mix the cornflour paste.
Simmer till the sauce thickens add black pepper & salt. Then add the fried veg manchurian balls. Add vinegar too.Gently stir and coat the veg manchurian balls in the gravy.
Switch off the flame add chopped spring onion greens.Serve veg dry manchurian hot with noodles or fried rice.