Drain and put the chickpeas in a mixer jar. Add garlic and spring onions with greens and grind without adding any water. Transfer into a bowl. Chop parsley and coriander leaves and add. Add salt, soda bicarbonate, pepper powder, cumin powder and red chilli powder and mix well. Add breadcrumbs and mix well.
Heat sufficient oil in a kadai. Shape the mixture into cylinders and flatten slightly. Gently slide them into the hot oil and deep fry on medium heat till golden.
You can also place small quantities of the mixture in a tbsp moistened with water and shape with the help of another moistened tbsp to make smooth oval falafels and deep fry them. Drain on absorbent paper. You can serve them by themselves with tahina dip. Or serve them with pita bread.