(soaked 5 hours) Urad dal • (for grinding dal) Water • (for vada batter) Salt • (for deep frying) Oil • Buttermilk • (for soaking vada) Water • (chilled, lightly sweetened) Sweet curd • Roasted cumin powder • Red chilli powder • (for garnish) Salt • Dates-imli chutney • Chilli-groundnut chutney