Soak Soya granules in hot water for 5min and make fine paste.
Grind Urad dal and prepare fine paste just as vada and mix these soya granules paste.
Add onions pecies,geenchillies,coriander salt and mix well
Add oil for deep fry in a pan make vada with this batter.
Mix curd well wih a spoon and keep it aside.
Now dip these vadas in water and add in curd. Add salt accordingly
For Tadka add nutrela oil 1spoon add mustard, jeera, garlic pieces, redchilli, curryleaves. And add dahi vada in that.
Let it soak in curd for atleast 10min and enjoy cool soya dahi vada in Hot summer.