In a mixing bowl add grated cabbage, carrot, all-purpose flour cornflour, spring onion greens, garam masala, salt and pepper. Mix well.
Squeeze vegetables in between palms. This will help veggies to leave its water content, which aids in binding well.
Taking a lemon sized mixture in hands, make equal balls.
Heat oil in a kadai and deep fry Manchurian balls in a medium-hot oil on a low flame. This will ensure balls are cooked perfectly from inside.
When cooked well from within, take out the balls and deep fry another batch.
Once all the Manchurian balls are cooked, double deep fry them in hot oil on a high flame till golden brown. This will give nice crisp texture to the balls.
Drain the excess oil and keep aside.