Firstly in a large mixing bowl take Semolina

Further add curd, amount of curd dependson on the curd thickness so add as required(use sour curd for tasty rava vada)

Additionally add cumin seeds, coriander leaves ginger, chilles, onion, curry leaves, salt, sugar,coconut pieces

Mix well to form batter

Rest batter for 20 mins,so tht semolina absorbs moisture & swells

Then add baking soda, add extra curd if requires

Now grease both hands with oil and take a ball sized dough

Flatten with hand and make a hole in centre

Slowly drop into hot oil

And fry the vadas on medium flame stirring occasionally

Fry the vadas till they turn golden brown from both the sides

And drain over kitchen towel to drain excess oil