Into the batter, add all ingredients except the oil and give it a good mix. The batter is to be of dropping consistency. Add water if needed, but make sure to add very slowly so as to not to make the batter loose.
Heat oil in an iron kadhai for deep frying. Once well heated - test by dropping a pinch of batter, if it sizzles up, the oil is ready - drop spoonfuls into the oil.
Fry in medium heat tossing the bondas till golden brown.
Drain and serve warm with chutney.
Notes
If while adding water, it loosens up, add a little rice flour and adjust. If the batter is too flowy, it will drink up too much oil.