Then add the above with salt chillies ginger pepper and water and grind to make a soft dough. Then add the eno and mix really well. Add oil to a pan then fry the vadas on medium heat until golden brown as below

Then add yoghurt to a bowl add salt chilli powder black pepper jeera powder sugar and mix well then add the vadas and sprinkle chilli powder jeera powder and some tamarind sauce and chopped coriander tastes yummy and store them in the fridge if you want to eat them later.