Add all of the remaining ingredients except the sunflower oil to the batter mixture and mix well to ... or until the pakoras are crisp and golden-brown and the vegetables have cooked through.
Using your hands, mix until you have a sticky dough that holds the vegetables together ... what we want are straggly pakoras that are crisp and uneven. (CAUTION: hot oil can be dangerous.
In a bowl, add besan, red chilli powder, cumin powder, salt, chaat masala, turmeric powder and baking soda. Mix everything well. Add water and make a smooth batter.